C++ – Wifiteachshala

1 class Dog: public X, public Y is an instance of

A) multiple inheritance

B) repeated inheritance

C) linear inheritance

D) None of these

… Answer is A)

2 Which of the following specifiers is NOT a format flag of a stream ?

A) ios: : skipws

B) ios: : oct

C) ios : : upercase

D) None of the above

… Answer is D)

3 Which of the following operators have the same precedence and group left of right ?

A) + = and -=

B) :: and ->

C) ++ and – –

D) none of the above

… Answer is C)

4 Which of the following mode arguments to the function open tells it not to create a file if the named file is not found ?

A) ioss : : nocreate

B) ios : : app

C) ios : : ate

D) None of the above

… Answer is A)

5 Which of the following operators has right to left associativity ?

A) &

B) &&

C) <<

D) None of the above

… Answer is D)

6 Which of the following statement is TRUE in view of a private member of any given class ?

A) The member can be used only by member functions of the class in which it is declared

B) The member can be used by any function

C) The member can be used only member functions and friends of the class in which it is declared

D) None of the above

… Answer is C)

7 Which of the following statements is TRUE ?

A) Members of a struct are protected by default, and you need explicit private or public access specifiers to override the default

B) Members of a struct are public by default, and you need explicit private or protected access specifies to override the default

C) Members of a struct private by default, and you need explicit protected or public access specifiers to override the default

D) None of the above

… Answer is B)

8 Identify the operator that cannot be overloaded in C++

A) ?

B) New

C) +

D) None of the above

… Answer is A)

9 Which of the following storage class specifiers can be used in the declaration of class members ?

A) extern

B) static

C) auto

D) None of the above

… Answer is B)

10 Which of the following manipulators is not- parameterized ?

A) setfill

B) resetiosflags

C) flush

D) None of the above

… Answer is C)

11 The function fwrite returns

A) total number of bytes actually written onto a file

B) total number of words actually written onto a file

C) total number of items actually written onto a file

D) None of the above

… Answer is C)

12 A function which is automatically invoked when an object is created is known as

A) Inline function

B) Destructor

C) Member function

D) Constructor

… Answer is D)

13 Which of the following statements is FALSE in view of polymorphism in C++

A) It allows objects of different types to respond differently to the same function call

B) It is achieved by means of virtual functions

C) It is made possible because of the fact that a pointer to a base class instance may also point to any subclass instance

D) None of the above

… Answer is C)

14 Assuming that n is an integer variable, identify a legal declaration of a reference from the following options

A) int&r = n++;

B) int& r = n;

C) int& r = 44;

D) None of the above

… Answer is B)

15 Which of the following operators cannot be overloaded ?

A) pre-increment operator ++

B) pre-decrement operator —

C) post-increment operator ++

D) None of these

… Answer is D)

16 Which of the following statements is TRUE ?

A) A constructor cannot be defined to be virtual

B) A destructor cannot be declared virtual

C) Both, constructors and destructors may be defined to be virtual

D) None of the above

… Answer is A)

17 Which of the following functions can be called before any objects are instantiated ?

A) static

B) private

C) protected

D) none of these

… Answer is A)

18 Which of the following calls is one of the possible ways to change a stream’s format flags ?

A) cout.setflags( )

B) cout.flags( )

C) cout..setf( )

D) None of the above

… Answer is C)

19 What is the maximum number of constructors a class may have ?

A) 0

B) 1

C) 2

D) None of the these

… Answer is D)

20 Which header file must be included to use the operator delete in a C++ program ?

D) None of the above

… Answer is A)

21 Which of the following function prototype is in-correct ?

A) int f (int I,int j);

B) int f (int i=0, int j = 5);

C) int f (int i=0, int j);

D) int f (int i, int j=5);

… Answer is C)

22 Which of the following statements is FALSE in view of reference ?

A) Like a const, a reference must be initialized when it is declared

B) Every reference must have a referent

C) A reference is declared by using the & operator appended to the reference’s type

D) None of the above

… Answer is D)

23 A derived class inherits all members of its base class, but can only use the

A) public and protected members of its base class

B) private and public members of its base class

C) protected and private members of its base class

D) none of the above

… Answer is A)

24 In C++, the keyword auto can be used for

A) automatic assignment of data to objects during instantiation

B) declaring a local variable

C) automatic call of a function

D) none of the above

… Answer is B)

25 Which of the following is a parameterized manipulator ?

A) oct

B) ends

C) setw

D) none of these

… Answer is C)

26 An exception is processed using

A) try ( )

B) perform( )

C) catch ( )

D) none of these

… Answer is C)

27 Which of the following operator is used to access a structure member through a pointer ?

A) ->

B) dot operator

C) ::

D) none of these

… Answer is A)

28 In n is initialized to 7, the expression n<<4>>3<<2 evaluates to

A) 56

B) 14

C) 7

D) None of the above

… Answer is A)

29 What is the return type of a constructor ?

A) void

B) int

C) float

D) none of these

… Answer is D)

30 When an object of a derived class is destroyed then

A) only the destructor of the base class is called.

B) only the destructor of the derived class is called

C) first the destructor of the base class is called and then the destructor of the derived class is called

D) first the destructor of the derived class is called and then the destructor of the base class is called

… Answer is D)

31 Let “i” be a public static integer member of a class “X” and “a”,”b” are objects of type “X”. Which of the following statements is not a valid way to access “i” ?

A) a.I

B) b.I

C) X::I

D) none of the above

… Answer is D)

32 A private member function of a class can be called by

A) Any normal function

B) Invoking it directly in the main

C) Only private functions of any class

D) Only member functions of the same class

… Answer is D)

33 A variable declared within a block { } has the following scope

A) File scope

B) Local scope

C) Class scope

D) Global

… Answer is B)

34 C++ provides signed and unsigned character data type because

A) Character can be used to hold small integer numbers

B) To allow the representation of lower and upper case characters

C) To allow the use of extended ASCII character set

D) To allow the variable names to be characters

… Answer is C)

35 A value that is automatically passed to function when no explicit argument is specified in the function call is called

A) Call-by value

B) default argument

C) Constant argument

D) Virtual function

… Answer is B)

36 Reference to an object behaves like

A) a Pointer and can be used in call-by reference in function call

B) an alias

C) a constant pointer

D) A pointer to the object

… Answer is B)

37 Which of the following declarations of reference type variables is flawless ?

A) int &a;

B) int x; int & a = & x;

C) int b=5; int & x =b;

D) float b; int & x = b;

… Answer is C)

38 Which is true ?

A) When you create a function, you can declare it to be a friend function

B) When you create a friend function, you must include the friend keyword in the function header

C) nonscaler types

D) cryptic code

… Answer is B)

39 Which is true ?

A) A class declaration must state which functions will be its friends

B) A friend function must declare to which classes it will be a friend

C) both a and b

D) neither a nor b

… Answer is A)

40 A function can

A) be granted friendship by a class you create

B) declare itself to be a friend of your class

C) grant friendship to another function

D) grant friendship to a class create

… Answer is A)

41 When a nonmember function needs to refer to instances of two different classes, then

A) only one class may grant friendship to the function

B) both classes must grant friendship to the function

C) either class may grant friendship to the function

D) neither class may grant friendship to the function

… Answer is B)

42 A forward reference

A) defines a class

B) eliminates the need to define a class

C) acknowledges the existence of a class

D) is illegal in object- oriented programming

… Answer is A)

43 When a function tries to access an object’s private data member

A) if the function is a member function, then access is approved

B) if the function is a friend function, then access is denied

C) both a and b

D) neither a nor b

… Answer is A)

44 The prototypes for all functions that are friends of a class are listed with the other function prototypes

A) outside the class definition, in another file

B) outside the class definition, but within the same file

C) in the class declaration section

D) in the class implementation section

… Answer is C)

45 A class may

A) not have friends

B) have one friends

C) have one friend function and one friend class

D) have any number of friends

… Answer is D)

46 you use data hiding when you create

A) inline functions

B) private class members

C) nonscalar types

D) cryptic code

… Answer is B)

47 Creating a class definition when one class is granting friendship to a function that is a member of another class requires first

A) a forward declaration of the class that holds the member function being granted friendship

B) a forward declaration of the class that is granting friendship

C) the definition of the class that contains the function that will be a friend

D) the definition of the class that is granting friendship

… Answer is B)

48 If MyClass is a friend of Your-Class, which is true ?

A) YourClass is a friend of MyClass

B) Your Class is not a friend of MyClass

C) YourClass may or may not be a friend of MyClass

D) yourClass cannot be a friend of MyClass

… Answer is C)

49 If MissysClass is a friend of HarryClass, then which is true ?

A) all members of MissysClass are friends of HarryClass

B) all members of HarryClass are friends of MissyClass

C) Both a and b

D) neither a nor b

… Answer is A)

50 You need to multiply two private data members of two separate objects that are of the same class. You would

A) create a member function because it is easiest

B) create a friend function because it is easiest

C) create a member function because the objects should be treated equally

D) create a friend function because the objects should be treated equally

… Answer is D)

51 When you declare a member of another class to be a friend, you must use

A) the keyword friend

B) the scope resolution operator

C) both a and b

D) neither a nor b

… Answer is C)

52 You need to display two private data members from one object of a class. You would

A) create a member function to preserve data hiding

B) create a friend function to implement object-oriented programming

C) create both friend and member functions to give the programmer a choice

D) not create a function, but just display the data members directly

… Answer is A)

53 Forcing a variable type to become another type before accessing an appropriate function is known as

A) regression

B) recursion

C) conversion

D) coercion

… Answer is D)

54 Without overloading of the +operator,

A) addition could not be performed on built-in types

B) addition could not be performed on class object

C) class objects could not be added to one another

D) programs would be harder to read and understand

… Answer is D)

… Answer is )

56 The name of the operator function that overloads the * symbol is

A) operator*( )

B) *operator( )

C) op*( )

D) *op( )

… Answer is A)

57 Assuming you have properly overloaded the *operator to perform multiplication for a Number class, and that a,b and c are three members of the Number class, which expression is legal ?

A) a*b

B) a*b*b

C) both a and b

D) neither a nor b

… Answer is C)

58 Which of the following is the best function prototype for an overloaded — for a Number class ?

A) Number operator-(const Number & num);

B) Number & operator- (int num);

C) int Number (operator-( )

D) void operator- (Number & num);

… Answer is A)

59 When you overload an operator for use with you classes, you

A) must use the overloaded operator for the usual purpose

B) should use the overloaded operator for the usual purpose

C) may not use the overloaded operator for the usual purpose

D) may not overload the operators that have a usual purpose

… Answer is C)

60 When you overload operators, you may change

A) associativity

B) precedence

C) binary operators to unary ones

D) none of the above

… Answer is C)

61 Assuming you have properly overloaded the ! Operator for a Number class, and that a and b are two members of the Number class, which expression is legal ?

A) !a

B) b!

C) a!b

D) all of these are legal

… Answer is A)

62 if the >> operator is overloaded properly for use for input with a Number class, and a and b are member of the Number class, which of the following statements is allowed ?

A) cin>>a;

B) cin>>a,b;

C) both a and b

D) neither a nor b

… Answer is A)

63 If the << operator has been overloaded appropriately for the class Number, and a and b are members of the Number class, then which statement is legal ?

A) cout<
B) cout<
C) both a and b
D) neither a nor b

… Answer is C)

64 Which of the following is the best prototype to overload the << operator for a Number class ?

A) ostream &<<(ostream &out, const Number &num)

B) friend ostream& operator<<(ostream &out, const Number & num)

C) Number& operator<< (ostream &out, const Number &num).

D) friend ostream operator<<(const Number &num)

… Answer is B)

65 If the subscript operator has been correctly overloaded for a Number class to accept an integer value, and num is a member of the number class, which of the following statements is correct ?

A) [num] 44;

B) num[44];

C) num=[44];

D) num44;

… Answer is C)

66 Which of the following statement is true ?

A) The subscript operator may take only one argument

B) The parentheses operator may take only one argument

C) The subscript operator may take multiple argument

D) none of the above

… Answer is B)

67 When the >> operator is overloaded for input, one parameter that should be passed to the function is a

A) reference to istream

B) reference to ostream

C) copy of istream

D) copy of ostream

… Answer is A)

68 If you use a filename as an argument when calling an ofstream constructor,

A) the file opens

B) the file is appended

C) a prompt asks if you want to open the file for input or output

D) you receive an error message.

… Answer is A)

69 In the statement if (x) cout<<"File opened!",, X must be a

A) filename

B) stream manipulator

C) stream object

D) class

… Answer is A)

70 If you create an array of objects, the write( ) function can work with

A) one object at a time

B) the entire array of objects at once

C) either a or b

D) neither a nor b

… Answer is C)

71 if you don’t provide a filename as an argument when you instantiate an ofstream object then

A) the file can never be opened

B) the file can never be opened for output

C) no file opens at the time

D) you receive an error message

… Answer is C)

72 Inheritance is the principle that

A) classes with the same name must be derived from one another

B) knowledge of a general category can be applied to more specific objects

C) C++ functions may be used only if they have logical predecessors

D) one function name may invoke different methods

… Answer is B)

73 To be called object-oriented, a programming language must allow

A) functions that return only a single value

B) #include files

C) inheritance

D) All of the above

… Answer is C)

74 Which is a correct class definition for class Child, which inherits from Mother and Father classes ?

A) class Child: :Mother, Father

B) class Child : Mother: Father

C) class Child: : public Mother, public Father

D) class Child : public Mother, public Father

… Answer is D)

75 You may override the class access specifier for

A) public members

B) public and protected members

C) any specific class members you choose

D) no class members

… Answer is C)

76 The prototype for a derived class constructor may include arguments for

A) data members of the derived class

B) data members of the base class

C) both a and b

D) neither a nor b

… Answer is C)

77 A default constructor

A) takes no arguments

B) has default values for all its arguments

C) either a or b

D) neither a nor b

… Answer is C)

78 If you want to override constructor default values for an object you are instantiating, you must also override

A) all other parameters to that constructor

B) all parameters to the left of that value

C) all parameters to the right of that value

D) no other parameters to that constructor

… Answer is B)

79 Reference variables and const class member

A) must be assigned values in any derived class

B) must never be initialized in a base class

C) must be initialized, rather than assigned values

D) must not exit if a class is to be a base class

… Answer is C)

80 In heritance is a way to

A) make general class into more specific classes

B) add features to existing classes without rewriting them

C) pass arguments to objects of classes

D) a and b

… Answer is D)

81 In an exception is thrown and no catch block matches the type of the thrown parameter, then

A) the program terminates

B) the first catch block is executed

C) the last catch block is executed

D) the program proceeds with the code following the catch blocks

… Answer is A)

82 If two types of errors may be thrown, you should write

A) no catch blocks

B) one catch block with two arguments

C) two catch block- one with an argument, and one without

D) two catch blocks with one argument each

… Answer is D)

83 A function can make

A) one throw

B) one throw of each scalar type

C) one throw of each programmer- defined type

D) as many throws of as many types as necessary

… Answer is D)

84 The primary purpose of exception specification is

A) documentation

B) object-oriented ness

C) structure

D) reduction of code

… Answer is A)

85 A default exception block must be placed

A) first among the catch blocks

B) last among the catch blocks

C) globally, at the top of the file

D) at the end of all code in the program

… Answer is B)

86 The program can access the private members of the class

A) directly

B) only through other private members of the class

C) only through other public members of the class

D) None of the above –the program cannot access the private members of a class in any way.

… Answer is C)

87 To hide a data member from the program, you must declare the data member in the section of the class

A) concealed

B) confidential

C) hidden

D) private

… Answer is D)

88 The best-written classes have

A) all functions private

B) all data public

C) no functions

D) None of the above

… Answer is D)

89 If you declare two objects as Customer firstCust, secondCust: which of the following must be true

A) Each object will store a separate copy of any static member data

B) Each object will store a separate copy of any member functions

C) Each object will store a separate copy of any nonstatic data members

D) You cannot declare two objects of the same class

… Answer is C)

90 The feature in object-oriented programming that allows the same operation to be carried out differently, depending on the object, is

A) inheritance

B) polymorphism

C) over functioning

D) overriding

… Answer is B)

91 The function printDataMembers( ) is most likely a(n)

A) inspector functions

B) mutator functions

C) auxiliary functions

D) manager functions

… Answer is A)

92 Which of the following is a good guideline for creating function names ?

A) Use all lowercase letters to identify the functions as C++ functions

B) Use long names to reduce the likelihood of creating a duplicate function name

C) Use abbreviations as much as possible to save both keystrokes and memory

D) Avoid the use of digits because they are easily confused with letters

… Answer is D)

93 A function’s purpose is to print customer data. Which of the following is the best name for this function ?

A) pcd( ). It’s short for “print customer data” and takes few keystrokes

B) Printcustomerdata( ). It states everything the function will do

C) printCustomer ( ). It states the function’s purpose and is easy to read

D) last Function( ). It is the final function called in most programs, and this name identifies the function’s timing

… Answer is C)

94 Reserving memory during program execution is known as reserving it

A) dynamically

B) statically

C) functionally

D) powerfully

… Answer is A)

95 With communicational cohesion

A) a tasks and the data are related

B) the tasks are related; the data are not

C) the data are related; the tasks are not

D) the tasks and the data are unrelated

… Answer is C)

96 Which of the following is true ?

A) Coincidental cohesion is stronger than procedural cohesion

B) Logical cohesion is stronger than coincidental cohesion

C) Sequential cohesion is weaker than temporal cohesion

D) The weakest cohesion is functional

… Answer is B)

97 If a derived class uses the public access specifier, then

A) public base class members remain public in the derived class

B) protected base class members become public in the derived class

C) both a and b

D) neither a nor b

… Answer is A)

98 When a class serves as a base class to others,

A) all of its members are inherited

B) all of its members are inherited, except for any private members

C) all of its members are inherited, except for any protected members

D) None of its members is inherited unless specifically listed

… Answer is B)

99 Which of the following constructor function prototypes would be correct in the declaration section of a class named Product that contains one data member, prodNum ?

A) Product(int n);

B) Product(int n) (prodNum = n;);

C) Product(int n) : prodNum(n) { };

D) All of the above

… Answer is D)

100 The most common operation used in constructors is

A) addition

B) overloading

C) assignment

D) polymorphism

… Answer is C)

101 A constructor initialization list is preceded by

A) a semicolon

B) a colon

C) two colons

D) a space

… Answer is B)

102 The statement double total = 0.0; performs

A) assignment

B) initialization

C) rationalization

D) polymorphism

… Answer is B)

103 Static variables are sometimes called

A) class variables

B) functional variables

C) dynamic variables

D) auto variables

… Answer is A)

104 you must precede the destructor name with

A) exclamation point

B) octothorp

C) ampersand

D) tilde

… Answer is D)

105 The dot operator (or class member access operator) connects the following two entities (reading from left to right):

A) a class member and a class object

B) a class object and a class

C) a class and a member of that class

D) a class object and a member of that class

… Answer is D)

106 When you create a derived class and instantiate on object

A) the parent class object must be constructed first

B) the child class object must be constructed first

C) the parent class object must not be constructed

D) the child class object must not be constructed

… Answer is A)

107 Advantages of inheritance include

A) facilitating class libraries

B) avoiding the rewriting of code

C) providing a useful conceptual framework

D) all the above

… Answer is D)

108 A derived class override attributes of a parent class

A) may

B) may if the two classes have the same name

C) must

D) must not

… Answer is A)

109 A function in a derived class that has the same name as a function in the parent class

A) will override the base class function

B) will cause an error message to display

C) will be overridden by the base class function

D) will execute immediately often the base class function executes

… Answer is A)

110 Before object-oriented exception handling was practiced

A) no run-time errors occurred

B) programmers could not deal with run-time errors

C) the most popular error- handling method was to terminate the program

D) the most popular error-handling method was to throw an exception

… Answer is C)

111 One drawback to returning an error code from a function is

A) functions cannot return error codes

B) error codes must be integers, and some functions can’t return an integer

C) a function can return only one value, so it can return only the error code

D) a function that returns an error code will identify all returns as errors

… Answer is C)

112 The difference between a return and a throw is that

A) with a throw, no value can be sent

B) with a return, no value can be sent

C) with a throw, execution takes place at the location from which the function was called

D) with a return, execution takes place at the location from which the function was called

… Answer is D)

113 The general principle underlying object- oriented error handling is that a called function should

A) neither check for , nor handle errors

B) check for errors but not be required to handle any detected

C) handle errors, but not check for them

D) both check for and handle errors

… Answer is B)

114 Another drawback to returning an error code from a function is that any error code returned by the function

A) must be of the same type of function

B) must not be a character

C) cannot be checked in a main( ) program

D) can have multiple meanings

… Answer is A)

115 If a class object is thrown with a throw statement, then a subsequent catch block has a usable match if the type of the catch argument is

A) a parent class of the thrown class

B) a child class of the thrown class

C) either a or b

D) neither a nor b

… Answer is A)

116 Any exception specification appears in

A) the main( ) program

B) a catch block

C) a try block

D) the header of a function that throws an exception

… Answer is D)

117 When the function int someFunction(char c) throw( ) is executed,

A) it can throw anything

B) it may throw an integer

C) it may throw a character

D) it may not throw anything

… Answer is D)

118 If you want to use a class to define objects in many different programs, you should define the class in a C++ file

A) header

B) program

C) source

D) text

… Answer is A)

119 The name of the constructor function for a class named animal is

A) animal

B) animalFunction

C) conAnimal

D) pet

… Answer is A)

120 Which of the following creates an animal object named dog ?

A) animal “dog”;

B) animal dog;

C) dog “animal”;

D) dog animal;

… Answer is B)

121 Which of the following tells C++ that the displayBreed function is a member of the animal class ?

A) displayBreed ( )- >>animal

B) displayBreed( ) : :animal

C) displayBreed ( ) . Animal

D) animal : :displayBreed ( )

… Answer is D)

122 You place the constructor’s prototype in the section of the class

A) confidential

B) hidden

C) public

D) private

… Answer is C)

123 Making class members inaccessible to nonmember functions is an example of

A) polymorphism

B) data hiding

C) redundancy

D) recursion

… Answer is B)

124 Which (if any) of the following is NOT a programmer-defined type ?

A) an array

B) a structure

C) a class

D) All of the above are programmer- defined types

… Answer is D)

125 To use the this pointer with a member function, you

A) declare this as static

B) declare this as global

C) define this as equal to the address of the appropriate object

D) do nothing; it is automatically supplied for you

… Answer is D)

126 An auxiliary function

A) return information about data members

B) changes the state of data members

C) performs an action or service

D) creates and destroys objects

… Answer is C)

127 A data member holds a 1 or 0 depending on whether taxes have been paid. The best identifier for this member is

A) taxes

B) paidTaxes

C) taxesArePaid

D) code

… Answer is B)

128 Many programmers separate a class into two files:

A) one for the declarations and one for the implementations

B) one for the void functions and one for the other functions

C) one for the public data and one for the private data

D) one for the primary functions and one for the auxiliary functions

… Answer is A)

129 C++ allows you to define the same functions more than once in the same program

A) if the definitions are identical

B) if the definitions are included in two separate #include files

C) if the definitions are located in a single #include file that is included more than once

D) C++ does not allow you to define the same functions more than once in the same program

… Answer is D)

130 If you create a class named SaleItem and each instantiation of the class requires 50 bytes, which of the following allocates enough memory for one SaleItem object, assuming that ptr is properly defined ?

A) ptr = new SaleItem

B) ptr = new 50;

C) either a or b

D) neither a nor b

… Answer is D)

131 Procedural cohesion is similar to sequential cohesion, except that with procedural cohesion

A) The tasks are not doen in order

B) the tasks are simpler

C) the tasks share data

D) the tasks do not share data

… Answer is D)

132 The best functions have

A) high cohesion and tight coupling

B) high cohesion and loose coupling

C) low cohesion and tight coupling

D) low cohesion and loose coupling

… Answer is B)

133 Which of the following statements is true ?

A) Data coupling is tighter than pathological coupling

B) Common coupling is looser than data coupling

C) Data-structured coupling looser than control coupling

D) Control coupling is looser than data coupling

… Answer is C)

134 The weakest form of cohesion is

A) coincidental

B) functional

C) logical

D) communicational

… Answer is A)

135 The code class Desendant : virtual public Ancestor indicates that

A) the members of Ancestor will be included more than once in Descendant

B) the members of Ancestor will be included only once in Descendant

C) the members of Descendant will be included more than once in Ancestor

D) the members of Descendant will be included only once in Ancestor

… Answer is B)

136 A program that predicts the exact sequence in which events will take place is said to be

A) compiled

B) interpreted

C) procedural

D) object-oriented

… Answer is C)

137 Which of the following are good reasons to use an object-oriented language

A) You can define your own data types

B) Program statements are simpler than in procedural languages

C) It is easier to conceptualize an OO program

D) a and c

… Answer is D)

138 When two types are used in a function template and one is labeled T, the other

A) must also be named T

B) must be named U

C) can be any legal C++ identifier

D) it is illegal to have two types

… Answer is A)

139 The compiler determines the type uses in a template function via

A) the name of the function

B) the first variable declared within the function

C) the type of the argument passed to the function

D) the type of the value returned from the function

… Answer is C)

140 Each generic type in a template function definition is preceded by the keyword

A) template

B) function

C) type

D) class

… Answer is A)

141 If you create an instantiation of a class template with an int, and then create a second instantiation with a double, then

A) you must precede each function call with the word int or double

B) once a function is used as one type, it becomes unavailable for use with the other type

C) there is no difference in the procedure to call a member function

D) you cannot perform this operation in c++

… Answer is A)

142 With a template class, type is generic

A) no

B) exactly one

C) at least one

D) at most one

… Answer is C)

143 Variable names known only to the procedure in which they are declared are

A) local

B) global

C) recent

D) internal

… Answer is A)

144 Paying attention to the important properties while ignoring inessential details is know as

A) selectiveness

B) polymorphism

C) abstraction

D) summarizing

… Answer is C)

145 In C++, a function contained within a class is called

A) a member function

B) an operator

C) a class function

D) a method

… Answer is A)

146 You overload function templates

A) may, as long as each version has the same arguments

B) may, as long as each version has different arguments

C) must

D) must not

… Answer is B)

147 Function templates

A) must have exactly one parameter

B) may have more than one parameter as long as they are of the same type

C) may have more than one parameter of any type

D) may not have parameters

… Answer is C)

148 Before you code a template function, you include a

A) template definition

B) class header

C) function resolution

D) pound sign

… Answer is A)

149 A function that is prototyped as double calculate(int num); may

A) receive an integer constant such as 5

B) receive an integer variable

C) either a or b

D) neither a nor b

… Answer is C)

150 Overloading involves writing two or more functions with

A) different names and different argument lists

B) different names and the same argument list

C) the same name and different argument lists

D) the same name and the same argument list

… Answer is C)

151 A major advantage of inheritance is

A) reducing the time it takes to create new objects

B) not having to think about how objects will be used

C) reducing the amount of memory required to execute a program

D) enabling people who have not studied programming to create useful applications

… Answer is A)

152 The rules to any programming language are its

A) syntax

B) interpretation

C) logic

D) customs

… Answer is C)

153 If container classes are carefully constructed, then these tools are available to work with structures that are not

A) valid without container classes

B) programmer-defined

C) type-specific

D) public

… Answer is C)

154 A function that can access private members of a class, even though it is not a member of the class itself, is

A) a friend

B) a inline function

C) a private function

D) never allowed in object-oriented programming

… Answer is A)

155 In C++ a function contained within a class is called

A) member function

B) an operator

C) a class function

D) a method

… Answer is A)

156 the break statement causes an exit

A) only from the innermost loop

B) only from the innermost switch

C) from all loops and switches

D) from the innermost loop or switch

… Answer is D)

157 A list of data items, usually words or bytes, with the accessing restriction that elements can be added or removed at one end of the list only, is known as

A) Stack

B) Memory

C) Linked list

D) Heap

… Answer is A)

158 Consider a linked list of n elements. What is the time taken to insert an element after an element pointed by some pointer ?

A) O(1)

B) O(log of 2 n)

C) O(n)

D) O(n log of 2 n)

… Answer is A)

159 Which of the following sorting method is stable?

A) Straight insertion sort

B) Binary insertion sort

C) Shell sort

D) Heap sort

… Answer is A)

160 A widget is to the blueprint for a widget as an object is to

A) a member functiion

B) a class

C) an operator

D) a data item

… Answer is B)

161 A search procedure whichassociates an address with a key value and provides a mechanism for dealing withtwo or more values assigned to the same address is called

A) linear search

B) binary search

C) hash coded seasrch

D) radix search

… Answer is C)

162 A variable defined within a block is visible

A) from the point of defintkiion onward in the program

B) from the point of definatins onward in the function

C) from the point of definition onward in the block

D) throughout the function

… Answer is C)

163 The liabrary function exit() causes an exit from

A) the loop in which occurs

B) the block in which it occurs

C) the functiion in which it occurs

D) the program in which it occurs

… Answer is D)

164 The extra key inserted at the end of the array is called a

A) end key

B) stop key

C) sentinel

D) transposition

… Answer is C)

165 The function scanf() reads

A) a single character

B) character and strings

C) any possible variable type

D) any possible number

… Answer is D)

166 The basic unit of informatiion is the

A) byte

B) bit

C) block

D) sector

… Answer is B)

167 The most widely used method for interpreting bit settings as nonnegative integers is the

A) Octial number system

B) ASCII

C) ANSI

D) binary number system

… Answer is D)

168 The method used by computers to represent real number is

A) floating-point notation

B) mantissa

C) base

D) exponent

… Answer is A)

169 The vaiables which can be accessed by all modules in a program, are known as

A) local variables

B) internal variables

C) extternal variables

D) global variables

… Answer is D)

170 The postfix from of (A+B)*C is

A) AB + C *

B) ABC * +

C) ABC * C +

D) ABC + *

… Answer is A)

171 The goto statement causes control to go to

A) an operator

B) a lable

C) a variable

D) a function

… Answer is B)

172 The postfix form of A-B/(C*D$E) is

A) ABCDE$ */-

B) AB/C*DE$

C) ABCDE$-/*

D) ABCDE/-* $

… Answer is A)

173 The prefix form of A-B/(C*D$E) is

A) – / *$ABCDE

B) – ABCD*$DE

C) – A / B*C$DE

D) – A / BC*$DE

… Answer is C)

174 The prefix of (A+B) *(C-D) is

A) + – AB*CD

B) * +-ABCD

C) * + AB-CD

D) * AB + CD

… Answer is C)

175 A sort whichrelatively passwes through a list to exchange the first element withany element less than if and then repeats with a new first element is called

A) Insertion sort

B) Selection sort

C) Heap sort

D) Quich sort

… Answer is B)

176 A sort which compares adjacent elements in a list and swithces where necessary is a

A) Insertion sort

B) Heap sort

C) Quick sort

D) Bubble sort

… Answer is D)

177 A characertistic of the data that binary search uses but the linear search ignores is the

A) order of the list

B) length of the list

C) maximum value is the list

D) mean of data values

… Answer is A)

178 The postfix form of A+(B*C) is

A) ABC + *

B) ABC * +

C) AB + C *

D) AB * C +

… Answer is B)

179 the directive required in any program that useseither cin or cout is;

… Answer is B)

180 Which of the following is a valid identifier?

A) cost-in-$

B) X(3)

C) -12345

D) 2nd Birthday

… Answer is C)

181 Write a single C++ statement that subracts the sum of x and y from z and then increments y.

A) x-=(2+y++)

B) z-=(x=Y++)

C) y++ – = x+z

D) z+= (x+y)++

… Answer is B)

182 Write a single C++ statement that decrementsthe variable h and then adds it tio total

A) total+=-n- –

B) total -= – -n

C) total = total + n

D) total + = – n

… Answer is A)

183 In m *= n ++; expressioin, assume that m ahs the value 5 and n has the value 2 before the statement executes. Tell what the the values of m and n will be after the statement executes.

A) n =3, m=15

B) n=2, m=10

C) n=3,m=10

D) n=2, m=15

… Answer is C)

184 The most C++ progtrammers

A) put all your # include directives at the beginning of your file.

B) put each statement on a new line

C) Indent all statements within a block

D) all of the above

… Answer is D)

185 The symbols used with input stream cin I.e. “console input” are:

A) <<

B) >>

C) {}

D) []

… Answer is B)

186 If you wanted to sort many large objects or structutres it would be most efficient to

A) place them in an array and sort the array

B) place pointers to them in an arayb and or the arrary

C) place them in a linked list and sort the linked list

D) place reference to them in an aray and sort the array

… Answer is B)

187 In C++ programming, which of the following operator is used for “not equal to”

A) <>

B) ##

C) !=

D) :=

… Answer is C)

188 The function abort() is declare in the header file

… Answer is B)

189 The fput() function is declare in the header file

… Answer is D)

190 The function isalpha() is declare in the header file

… Answer is A)

191 In m +=–n; expression assume that ma has the value 5 and n has the value 2 before the statement executes. Tell what the values of m andn will be after the statement executes.

A) m=4, n=1

B) m=6; n=1

C) m=6;n=2

D) m=4, n=2

… Answer is B)

192 A default arguments hasa value that

A) may be supplied by the calling program

B) may be supplied by the function

C) must have a constant value

D) a and b

… Answer is D)

193 When according a structure members, the identifier to the left of the dot operator is the name of

A) a structure member

B) a structure tag

C) a structure variable

D) the key word struct

… Answer is C)

194 A function’s single most important role is to

A) give a name to a block of code

B) reduce program size

C) accept arguments and provide a return value

D) help organise a program into conceoptual units

… Answer is D)

195 A function argument is

A) a variable in the function that receives a valuefrom the caling program

B) a way that functiionsresist accepting the calling prrogram’s values

C) a value sent to the function by the calling programme

D) a value returned by gthe function to the calling programme

… Answer is C)

196 Which of the following is not a valid identifier?

A) Y2 d2

B) H2O

C) second list

D) 2ndBirthday

… Answer is D)

197 The expression *test can be said to

A) refer to the contents of test

B) dereference test

C) refer to the value of the variable pointed to by the test

D) a,b,c

… Answer is D)

198 The type of variable a pointer points to mustbe part of gthe pointer’s definition so that

A) data types don’t get mixed up when arithmetic is perflormed on them

B) pointers can be added to one another to access structure members

C) the compiler can [perform arithmetic correctlyu to access array elements

D) a and c

… Answer is D)

199 The first element in a string is

A) the name of the string

B) the first character in the string

C) the length of the string

D) the name of the array holding the string

… Answer is B)

200 The new operator

A) returns a pointer to a variable

B) creates a variable called new

C) obtains memory for a new variable

D) a and c

… Answer is D)

201 In a linked list

A) each link contains a pointer to the next link

B) an array of pointers point to the links

C) each link contains data or a pointer to data

D) a and c

… Answer is D)

202 In linked lists with multiple pointers,

A) components are all linked together in some sequential manner

B) there is no beginning and no end

C) components are arranged hierarchically

D) forward and backward transversal within the list is permitted

… Answer is B)

203 The comma operator(,) is primarily used in conjunction with

A) ‘for’ statement

B) ‘if-else’ statement

C) ‘do while’ statement

D) all of the above

… Answer is C)

204 The ‘continue’ statement is used to

A) permit two different expression to appear in situations where only one expressionwuld ordinarily be used

B) terminate loops or to exit from a switch

C) alter the normal sequence of program execution by transferring control to some other part of the program

D) all of the above

… Answer is A)

205 The traditional way to create an infinite loop in C is

A) for(;;)…

B) if(=) break;

C) while()…

D) all of the above

… Answer is B)

206 The difference between the declaration of an external variable and its definition is

A) a declaration causes storage space to be allocated to variable while a definition announces variable’s properties

B) a declaration announces the properties of a variable while a definition also causes storage to be allocated

C) a declaration announces the properties of a variable while definition only causes storage to be allocated

D) a declaration causes storage space to be allocated to varibale while a definition also announces it properties

… Answer is A)

207 The comma operator(,) is used to

A) permit to different expressions to appear in situations where only one exopression would ordinaruily be oused

B) terminate loops or to exite from switch

C) alter the normal sequence of program execution by transferring control to some other part of the program

D) carry out a logical test and then take one of two possible actions, depending upon the outcome of the test

… Answer is D)

208 In the library of standard I/O function definitions, data structure of a file is defined as

A) file

B) File

C) FILE

D) All of the above

… Answer is A)

209 In a circular linked list

A) components are all linked together in some sequential manner

B) there is no beginning and no end

C) components are arranged hierarchically

D) forward and back ward transveral within thelist is permitted

… Answer is D)

210 The malloc () function

A) returns a pointer to the allocated memory

B) returns a pointer to the first byte of region of memory

C) changes the size of the allocated memory

D) deallocates the memory

… Answer is A)

211 While incrementing a pointer, its values get increased by the length of the dta type to which its points. This length is called

A) scale factor

B) length factor

C) pointer factor

D) increment factor

… Answer is C)

212 The process of calling a function using pointers to pass the addresses of variable is known as

A) call by value

B) call

C) call by reference

D) pointer call

… Answer is D)

213 C inclueds two types of modifiers(access modifiers) that affect the way variables are accessed by both user’s program and the compiler. These modifiers are

A) extern, static

B) auto, register

C) auto, extern

D) const,volatile

… Answer is D)

214 Which one of the following I/O functions can be used to write a set of data values to a file?

A) fascan()

B) fseek()

C) getc()

D) fprintf()

… Answer is C)

215 The function ftell()

A) reads a character from a file

B) reads an integer from a file

C) gives the current position in the file

D) sets the position to the beginning of the file

… Answer is A)

216 The operators<< (left shift) and >> (right shift) are

A) assignment operators

B) relational operators

C) logical operators

D) bitwise logical operators

… Answer is A)

217 Which of the folowing is not a linked data structure?

A) liner linked list

B) circular linked list

C) linked list with multiple pointersd.trees

D) all of the above

… Answer is B)

218 Any program in c has access to three standard files:

A) standard input file, standard output file, standard error file

B) stdin, stdout, stderr

C) keyboard, screen,

D) all of the above

… Answer is B)

219 A single character input from the keyboard can be obtained by using the function

A) printf()

B) getchar()

C) putchar()

D) scanf()

… Answer is A)

220 The string containing certain required formatting information is called

A) argument

B) character array

C) character string

D) control string

… Answer is D)

221 ‘The’ meaning of conversion character h for data input is

A) data item is an unsigned decimal integar

B) data item is a short integer

C) data item is a hexadecimal integer

D) data item is a string followed by aowhitespace character

… Answer is D)

222 The conversion character for data input which indicates that the data item is a floating-point value is

A) f

B) g

C) e

D) all of the above

… Answer is C)

223 The conversion character ‘i’ for data output means that the data item is displayed as

A) a floating point value with anexponent

B) anunsigned decimal integer

C) a signed decimal integer

D) anoctal integer

… Answer is D)

224 In printf()’ the appearance of the output can be affected by

A) field width

B) conversion character

C) flag

D) none of the above

… Answer is D)

225 The advantage of a ‘switch’ statement over an ‘else-if’

A) a default condition can be used in the ‘switch’

B) the swithc is easier to understand

C) several different conditions can cause one set of statements to be executed in a switch

D) several different statements can be xeccuted in switch

… Answer is A)

226 The general form of the conditional expression is

A) expresion 1? Expression: expression3

B) expression 2 ? Expression 3 ? Expression1

C) expression1 ? Expression 2 ? Expression 3

D) none of the above

… Answer is C)

227 In which statement does a to directly to the test condition and then conditue the loopeing process?

A) ‘for’ and ‘while’

B) ‘while’ and ‘if-else’

C) ‘do-while’ and ‘if else’

D) ‘while’ and ‘dowhile’

… Answer is B)

228 In C, the NULL statement which does nothing is just

A) a.,

B) ;

C) :

D) .

… Answer is C)

229 The general form of do while statement is

A) do expression while statement;

B) do while expression;

C) dostatement while;

D) do statement while statement;

… Answer is A)

230 The two statements that can be used to change the flow of control are

A) if and switch

B) if and while

C) switch and do- while

D) break and continue

… Answer is C)

231 In a simple ‘if’ statement with no ‘else’ what happens 9 if he condition following the ‘if’ is fasle

A) the program searches for thelast else in the program

B) nothing

C) control ‘falls through’ to the statement following ‘if’

D) none of the above

… Answer is B)

232 A while loop is more appropriate than a for loop when

A) the body of the loop will be exectued at last once

B) the terminating conditionoccurs unexpectedly

C) the program will be executed at least once

D) the number of times theloop will be executed known before the loop is executed

… Answer is A)

233 The statement following else in an ‘if -else’ construct are executed when

A) the conditional statement follwong the ‘if’ is true

B) the conditional statement follwong the ‘if’ is false

C) the conditional statement follwong ‘else’ is false

D) the conditional statement follwong ‘else’ is true

… Answer is A)

234 The newline character is always included between

A) pair of parenthese

B) air of curly braces

C) control string

D) None of the above

… Answer is C)

235 Which of the following statements is incorrect for the gets() and put () functions?

A) they facilitate the transfer of string between the comp9uter and the standard input/output devices

B) each of them accepts a single argument

C) they offer simple alternatives to the use of scanf and printf

D) all of the above

… Answer is A)

236 If c and y are int type of variables and y is a member of astructure x, then the statement c=x.(y);

A) is wrong because it contains a dot

B) is wrong because it contains the parentheses

C) is right

D) is wrong because it contains the parentheses

… Answer is C)

237 in the following pair of statement in a program char x; x-65;

A) The first statement is wrong

B) The second statement is wrong

C) No statement iswrong

D) The first statement is correct and second statement iswrong

… Answer is B)

238 If a =5 and b=7 then the statement p= (a>):a?b;

A) assigns a value 5 to p.

B) assigns avalue 7 to p.

C) gives an error message.

D) Assign a value 8 to p.

… Answer is C)

239 Between an if statement and the corresponding else clausem we should have

A) only one statement

B) no statement

C) as many statement asrequired

D) only two statement

… Answer is C)

240 The number of relational operator in C language is

A) four

B) six

C) three

D) one

… Answer is A)

241 The switch variable can be of

A) int type only

B) char type only

C) both int as well as char type

D) float type only

… Answer is C)

242 The function that sets the position to desired point in the file is

A) fseek()

B) ftell()

C) getw()

D) putc()

… Answer is C)

243 An array of structures is

A) a structure with arrays as the members

B) an array with structure as the members

C) does not exist

D) a member of aunion

… Answer is B)

244 The following statement where T is true and F is false T&&T II F&&T

A) is true

B) is false

C) is wrong

D) none of the above

… Answer is C)

245 Auto type of variables

A) do not actually exist

B) come in to existence when the function in which they are defined is called

C) aredeclared at thebeginning of the program outside the body of a function

D) both b &c

… Answer is C)

246 The global variables by default belong to

A) the register type

B) the static type

C) the auto type

D) the dynamic type

… Answer is C)

247 The scope of a variable is

A) the range of values that can be assigned toa variable

B) the program area in which the variable is accessible

C) the maximum number of the characters that can be allowec in the name of the variable

D) both a and b

… Answer is A)

248 In the following declaration enum metal { gold=2, silver, brass iron}; brass represents the value

A) 2

B) 3

C) 4

D) 6

… Answer is B)

249 The void type of variable

A) can have only zero value

B) can have any value

C) does not exist

D) coan have only 1 value

… Answer is B)

250 We can declare thefollowing type of variable as the extern variables

A) Either local variables or the global variables

B) only local variables

C) only global variables

D) both locan and global variables

… Answer is B)

251 Typedef is a

A) keyword in the C langauge

B) a predefined function in the c langauge

C) an operator in othe c langauge

D) both a and b

… Answer is B)

252 The use of the break statement in a switch statement is

A) optional

B) compulsory

C) not allowed. It ogives an error message

D) to check an error

… Answer is A)

253 The symbol for the address operator is

A) %a

B) &

C) $

D) !

… Answer is C)

254 If a printf() function contains more than one control strings

A) an error mjessage is given

B) only the firs control string is printed

C) all the control strings are printed

D) all of the above

… Answer is C)

255 One of the valied escape sequences used in C language

A) \c

B) \n

C) \t

D) \s

… Answer is B)

256 The include the double quotes as part of the control sring we use the symbol

A) %”

B) ” “

C) \”

D) #

… Answer is A)

257 The int tyupe of constants are whole numbers in the range

A) -23677 to 23678

B) -32768 to 32767

C) -32767 to 32768

D) none of the above

… Answer is C)

258 The lvalue is the value

A) assigned is the value

B) on the left hand side of the assignement operator

C) on theleft hand side of the escape sequence

D) assigned totheunsigned type of variable

… Answer is B)

259 Out of the following, thecorrect name of a variable of the int type is

A) 7th_july

B) july 7th

C) july_7th

D) all of the above

… Answer is A)

260 The conversion specification for int type of data is

A) % t

B) % d

C) % int

D) %v

… Answer is A)

261 The tetchar function is used to

A) print the ASCII code of a character

B) to assign a character typed at the keyword to a variable

C) to print a character 0 the screen

D) all of the above

… Answer is C)

262 The first argument of a scamf()function is

A) control string

B) address of a variable escape sequence

C) escape sequence

D) keyword

… Answer is A)

263 The outcome of a false statement is

A) zero

B) wrong

C) negative

D) one

… Answer is B)

264 The preprocessor directive always ends with

A) a comma

B) a semicolon

C) neither a semicolon nor a comma

D) “/”

… Answer is A)

265 The cast operator for the float type is

A) float

B) (float)

C) %f

D) %t

… Answer is B)

266 The print a percent % sign in the control string we use symbol

A) \%

B) /%

C) %%

D) %%%

… Answer is A)

267 In the C language, the Character type of constant is delimited by using

A) single quotes

B) double quotes

C) parenthesis

D) #

… Answer is B)

268 If p=5 and q=6 then the following expression p<-q

A) is true

B) is false

C) is wrong

D) II

… Answer is A)

269 One of the logical operators in the C language is represented by the symbol

A) AND

B) &&

C) >=

D) <=

… Answer is B)

270 An expresion contains relationsal, assignemnt and arithmetic operators. In the absence of prentheses, the order of evaluation will be

A) assignement, relatinal, arithmetic

B) arithmetic, assignmetn

C) relational, arithmetic, assignment

D) assignment, arithmtic, relational

… Answer is C)

271 The conversion specification is

A) a part of th control string

B) apart of the escape sequence

C) the name of a built in function

D) all of othe above

… Answer is B)

272 In C, how many parameters can be passed to a function?

A) one

B) two

C) zero

D) as many parameters as are defied in the function definition

… Answer is D)

273 All of the following are disadvantage of RPG except

A) it si very machine dependent language

B) is very limited in its scope

C) isnot suited for complex problems requirieng extensive programming logic

D) it has larger storage requirements

… Answer is D)

274 Which of the following is not one of the processes that a high-level langauage program must go through before it is ready tobe exectued?

A) Translation

B) controlling

C) lading

D) linking

… Answer is B)

275 Which of the following is not true of FORTRON

A) It was developed for scientific and mathematical applications

B) it is one of the oldest high level languages

C) it is a problem oriented language

D) all of the above are true

… Answer is C)

276 All of the following are division of the COBOL program except

A) input-output

B) Identification

C) Procedure

D) Data

… Answer is A)

277 In C Programming language, which of the following type of operators have the highest precedence

A) relational operators

B) equality operators

C) logical operators

D) arithmetic operators

… Answer is D)

278 In C, What is the the effect of a negative number in a field width specifier?

A) the values are displayed right justified

B) the values are displayed centered

C) the values are displayed left justified

D) the values are displayed as negative numbers

… Answer is C)

279 In C language, the bit wise operators can c applied to which of the following operands

A) char

B) short, long

C) int

D) all of the above

… Answer is D)

280 One disadvantage of a direct access file is

A) the delay in computing the storage address

B) duplication of address locations

C) unused, but available, storage locations

D) all of the above

… Answer is A)

281 In C, what would be the effect of passing a parameter of type float to a function whose dummy parameter is declared tobe type int

A) automatic conversion from float to int

B) automatic conversion from int to float

C) automatic conversion from float to long

D) utter chaos

… Answer is D)

282 Which of the following statements provide a means of immediately terminating the execution of a loop?

A) else

B) break

C) return

D) go to

… Answer is B)

283 C Programming langage provides operations which deal directly with object such

A) string and sets

B) lists and arrays

C) characters, integers and floating point numbers

D) all of the above

… Answer is C)

284 C programming language by itself provides

A) input facility

B) output facility

C) both input and output

D) no input and output

… Answer is D)

285 Which of the following are not provided inC

A) test and loops

B) grouping and sub programs

C) synchronization co-routines, and parallel operations

D) all of the above

… Answer is A)

286 Which of the following relational operators in C means ” not equal to”?

A) ==

B) !=

C) >=

D) <=

… Answer is B)

287 The values that can legally appear to the right of the assignment operator are called

A) rvalues

B) int values

C) variables

D) constants

… Answer is D)

288 In C programming lanuage, if the first and the second operands of operator+are of types int and float, respectively, the result will be of type

A) int

B) float

C) char

D) long int

… Answer is B)

289 Write a statement to do the following ” Make list point to empy list”

A) List:= empty;

B) list:- NIL;

C) list:=zero;

D) none of the above

… Answer is B)

290 Convert the following infix expression to postfix notation ((A+2)*(B+4))-1

A) A2+B3+*1-

B) -1+4B+2A

C) A2B4++X1-

D) A2B41++*-

… Answer is A)

291 Which fo the followng can describe as a pointer

A) stack

B) List^

C) List^.info

D) Stack^.info.

… Answer is A)

292 Which of the following can be describe as a array?

A) stack

B) List^

C) List^.info

D) Stack^.Info.

… Answer is C)

293 Which of the following can be describe as an integer?

A) stack

B) List^

C) List^.info

D) Stack^.Info.

… Answer is D)

294 Which of the following is most oriented to scientific programming?

A) FORTRAN

B) COBOL

C) BASIC

D) PL/I

… Answer is A)

295 Write a statement to dothe following “make list point to the node containing 45”

A) List :=A^.Next;

B) List :=A^.Info. Key;

C) List:=B^.next;

D) none of the above

… Answer is A)

296 All computer execute

A) BASIC program

B) COBOL

C) programs

D) machine language programs

… Answer is C)

297 Write a statement to do the following “set the key value of the node containing 45 to 46”

A) list:=46;

B) a^.NextInfo.Key :=46;

C) key:=46;

D) none of the above

… Answer is B)

298 Electronic speradsheets are most useful in a situation where relatively data must be input, and but calculations are required

A) little;simple

B) large;simple

C) large;complex

D) little;complex

… Answer is D)

299 The two basic types of record-access method are

A) sequential and random

B) direct and immediate

C) sequential and indexed

D) on line and real time

… Answer is A)

300 Sequential file organisation is most appropriate for which of following applications?

A) Grocery store checkout

B) Bank checking account

C) payroll

D) Airline reservations

… Answer is C)

301 Which of the following file organisationis most efficient for a file with a high degree of file activitiy?

A) Sequential

B) ISAM

C) VSAM

D) B-Tree index

… Answer is A)

302 The language generally used for scientific engineering and mathematical engineering

A) BASCI

B) FORTRAN

C) COBOL

D) PASCAL

… Answer is B)

303 Whichof the following can be describe as a pointer?

A) Queue

B) Queue.Rear

C) Queue.Rear^

D) Queue.Font^Info.

… Answer is A)

304 The statement i*-3 is equivalent to

A) I=3*

B) I=3

C) I*-3

D) I=I*3

… Answer is C)

305 Declaring varibales is advantageous because it

A) avoids errors from misspelled variable names

B) halpes the linker work efficiently

C) simplifies the writing of very short programs

D) all of the above

… Answer is D)

306 A comment

A) is a note that can be put into the source code

B) is ignored by the compiler

C) starts with the /* character pair

D) all of the above

… Answer is B)

307 The first digit of a decimal constant must be

A) a zero

B) a non-zero number

C) a negative number

D) an integer

… Answer is B)

308 Floating point numbers are used instead of integers to

A) permit the use of decimal points in numbers

B) avoid being too spedific about what value a number has

C) conceal the true value of the numbers

D) all of the above

… Answer is C)

309 Assume that your version of C can recognize only the first 8 character of an identifier name, though identifier names may be arbitrarily long. Which of the following identifier names is not distinet

A) list 1 and list2

B) address, Address

C) identifier_1 identifier_2

D) answer,ANSWER

… Answer is D)

310 Which of the following are valied characters constants?

A) ‘\n’

B) ‘\\’

C) ‘\0’

D) all of the above

… Answer is A)

311 In C language, if numbe of singel character information is being entered by means information is being entered by means the scant function, what symbols must precede the corresponding variable name?

A) !

B) &

C) &

D) &

… Answer is B)

312 A field width specifier in a printf() function

A) specifies the maximum value of a number

B) controls the sized of type used to print numbers

C) controls the margins of the program listing

D) spedifies how many characters positions will be used for a number

… Answer is D)

313 The math library is set up for the user by the file

A) float.h

B) limits.h

C) math.h

D) time.h

… Answer is D)

314 Which of the following does not have an unary operator?

A) -7

B) ++1

C) j

D) all of the above

… Answer is C)

315 The library files that come with C are

A) text editor for program development

B) the compiler and linker

C) program examples

D) files that contain functions which carry out various commonly used operations and calculations

… Answer is D)

316 Assume x,y and z are floating point variable and they have been assigned the values x=8.8, y=3.5and z=-5.2. The value of arithmetic expression 2*x/(3*y)is

A) 2

B) 1.6

C) 1.67619

D) 0.67619

… Answer is B)

317 The single character input/output functions are

A) scanf() and printf()

B) getchar() and printf()

C) scanf() and putchar()

D) getchar() and putchar()

… Answer is A)

318 Precedence determines which operator

A) is evaluated first

B) is most impart

C) is fastest

D) operators on othe largest numbers

… Answer is B)

319 A computer programming language often used by children is

A) LOGO

B) PILOT

C) BASIC

D) PASCAL

… Answer is A)

320 Egoless programming means that

A) the prorams are not the poperty of asingle programmer

B) programs are written by aprogrammer who has no ego

C) all the programs are written by a single programmer

D) the programs are not copy protected

… Answer is B)

321 The computer langauge generally unsuitbale for a programmers is

A) PASCAL

B) MACDHINE

C) BASIC

D) FORTRAN

… Answer is A)

322 What is no true about FORTRAN

A) It is useful for scientific applications

B) it is less suitable for business compared to COBOL

C) it is genrally not used for business applications

D) it stands for formula translation

… Answer is B)

323 The statement for I – I to N’ belongs to the language

A) FORTRAN

B) BASIC

C) COBOL

D) C

… Answer is C)

324 Which of the following langauge uses Do Statement to create a loop

A) COBOL

B) APL

C) FORTRAN

D) RPG

… Answer is B)

325 Which of the following is not a very useful langauge for business applications

A) COBOL

B) PL/I

C) BASIC

D) FORTRAN

… Answer is B)

326 # directives must be present

A) before the main() function

B) after the main() function

C) at the end of program

D) any where in th eprogram body

… Answer is C)

327 Programs written in COBOL are organised into

A) two section

B) three section

C) five section

D) none of the above

… Answer is D)

328 An identifier in C

A) is a neme of a thing such as variable and function

B) is made of letters, numerals, and the underscaore

C) can containboth uppercase and lowercase letters

D) all of the above

… Answer is A)

329 A required entry within the IDENTIFICATION DIVISION IS

A) the PROGRAM-ID statement

B) the DATE-WRITTEN instruction

C) An AUTHOR statement

D) all of the above

… Answer is D)

330 The READ INTO statement involves

A) AS FD

B) a dummy input area

C) an 01-level entry in ORKING- STORANGE

D) all of the above

… Answer is C)

331 Almost every c program begins with the statement

A) main()

B) printf()

C) #include

D) scanf()

… Answer is B)

332 The commands that send or “redirect” output of a program to a disk file or another system device such as the printer are

B) [and]

C) /*and/*

D) (and)

… Answer is C)

333 The structured data types that are built in to Pascal are:

A) arrays and records

B) variant records

C) sets and files

D) all of the above

… Answer is D)

334 Two computer programs A and B give same results. A takes much more time to execute

A) A and B must be in different high level langauges

B) Even though the results are same, the data and programs may be very different

C) Both A and B can be inferred

D) Nothing definite can be inferred from the given information

… Answer is D)

335 Arrays can be initialized provided they are

A) automatic

B) external

C) static

D) both b and c

… Answer is D)

336 Arrays are passed as arguments to a function by

A) value

B) reference

C) both a and b

D) none of the above

… Answer is B)

337 Which of the fillowing statements is true after execution of the program int a[10], I, *p; a[0] = 1; a[1] = 2; p = a (*p)++;

A) a[0]=2

B) a[1]=3

C) a[1]=2

D) all

… Answer is B)

338 It is necessary to declare the type of a function in the calling program if

A) the function returns an integer

B) the function returns a non-integer value

C) the function is not defined in the same file

D) none of the above

… Answer is B)

339 The declaration void function1(int) indicates the function1 is a function which

A) has no arguments

B) returns nothing

C) both a and b

D) none of the above

… Answer is B)

340 Recursive functions are executed in a

A) Last in first out order

B) First in first out order

C) Parallel fashion

D) any one of the above

… Answer is A)

341 When a function is recursively called, all automatic variables

A) are initialized during each execution of the function

B) are retained from the last execution

C) are maintained in a stack

D) none of the above

… Answer is A)

342 A static variable is one

A) Which cannot be initialized

B) which is initialized once at the commencement of executionn and cannot be changed at run time.

C) retains its value throughout the life of the program

D) which is same as an automatic variable but it is placed at the head of a program.

… Answer is C)

343 An external variable is one

A) which is globally accessible by all functions

B) has a declaration “extern” associated with it when declared within a function

C) will be initalized to 0 if not initialized

D) all of the above

… Answer is D)

344 Consider the following program fragment main( ) { int a,b,c; b=2 a=2*(b++); c=2*(++b); } which one of the given answers is correct?

A) a=4, c=6

B) a=3, c=8

C) b=3, c=6

D) a=4, c=8

… Answer is D)

345 Given the following program fragment, which one of the alternatives is correct? main() { char status; int balance; balance=1000; status=(balance>=1000)? ‘C’ : ‘O’; }

A) status=’O’

B) status=’C’

C) status=O;

D) status=NIL

… Answer is B)

346 What will be value of count after the following program is executed? Main() { int count, digit=0; count=1; while(digit<=9){ printf("%d\n,++count); ++digit:} }

A) 10

B) 9

C) 12

D) 11

… Answer is D)

347 If the following loop is implemented {int num; num=0; do {- – num; printf(“%”,num); num++; }while (num > 0) }

A) the loop will run infinitely many times

B) the program will not enter the loop

C) there will be a compilation error reported

D) a run time error will be reported

… Answer is A)

348 What is the final value of digit? Main() { int digit; for (digit=0; digit<=9;++digit) printf("%d\n",digit); digit=2*digit; --digit; }

A) 19

B) -1

C) 17

D) 16

… Answer is A)

349 What is the final value of sum? Main() { int sum=1; for (;sum <=9;) printf("%d\n,++sum); }

A) 10

B) 9

C) 11

D) none of the above

… Answer is A)

350 What is the value of variable POLYGON? Main( ) { int POLYGON,L, B; L=B=2; POLYGON=(L==b)?1:0; }

A) 0

B) 1

C) 2

D) None of the above

… Answer is B)

351 # define max(x,y)x=(x>y)?x:y is a macro defination. Which can find the maximum of two numbers x and y if

A) x and y are both integers.

B) x and y are both declared as float

C) x and y are both declared as double

D) all the above are true

… Answer is D)

352 Consider the macro definitions #define square(x) x*x and # define square (x) (x*x) when used in a program statement B= ++ square(C)

A) they will produce the same result

B) they will not produce same results

C) the second definition is legal

D) none of the above is true

… Answer is B)

353 #define two(x) 2*x #define ddouble(x) x+x main() { int num,sum,product; num=1; sum=-two(num); -sum; product=-ddouble(num); priintf(“%d%d\n”, sum,(product); } The output of the above program is

A) 0 0

B) 0 1

C) 1 1

D) 1 0

… Answer is D)

354 The following program fragment { int sum,index; index=50; while(index>=0) { sum=sum/index; -index; } }

A) will give a run time error

B) will give a compilation error

C) will give a linking error

D) none of the above

… Answer is A)

355 main() { float balance, loan; balance = 1000.0; laon=balance/10; if((balance>500) || (loan<500)) printf("good account\n"); if(balance,500) || (loan<500) printf("caution !\n"); } What is the output of ht above program?

A) good account

B) caution

C) good account caution

D) good acount caution

… Answer is C)

356 The following lines, if included in a program, will cause one of the following errors, Indicate the correct one. {double c; scanf(“%c”,c); }

A) Runtime error

B) Compilation error

C) Typedef error

D) No error

… Answer is A)

357 A “switch” statement is used do

A) switch between functions in a program

B) switch from one variable to another variable

C) to choose from multiple possibilities which may arise due to different values of a single variable

D) to use switiching variable

… Answer is C)

358 If the following variables are set to the values as shown below, then what is the value of the expression following it? answer=2; marks=10; !((anser<5) || 9marks>2))

A) 1

B) 0

C) -1

D) 2

… Answer is B)

359 What is the following program doing? main( ) { int digit=0; do printf(“%d\n”.digit++); while (digit<=9);

A) Adding 9 integers

B) Adding integers form 1 to 9

C) displaying any 9 integers

D) displaying integers form 1 to 9

… Answer is D)

360 Consider the program fragment switch (choice){ case ‘R’ : printf(“RED”); case ‘W’ : printf(“WHITE”); case ‘B’ : printf(“BLUE”); dafult’ : printf(“ERROR”); break; } What would be the output if choice =’R’?

A) RED

B) RED ERROR

C) RED WHITE BLUE ERROR

D) RED WHITE BLUE

… Answer is C)

361 If c is a variable initialised to 1, how many times will the following loop be executed? While((c>0)&&(c<60)){ loop body c++;}

A) 60

B) 59

C) 61

D) 1

… Answer is B)

362 The statement # include is written at the top of a program to indicate

A) the beginning of the program

B) the program does heavy mathematical calculations

C) that certain information about mathematical library functions are to be included at the beginning of the program

D) none of the above

… Answer is C)

363 if x and y are variables as declared below double x = 0.005, y=-0.01; What is the value of ceil(x+y), where ceil is a function to computing ceiling of a number?

A) 1

B) 0

C) 0.005

D) 0.5

… Answer is B)

364 The for statement which can precede a loop to be executed 50 times or till a boolean variable “found” becomes false is given by

A) for (I=0;I<=50 | | found == false;I++)

B) for (I=0;I<=50 || found ==true;i++)

C) for (I=1;I<=50 && found == true;I++)

D) none of the above

… Answer is C)

365 The declarations typedef float height [100]; heigh men, women;

A) define men and women as 100 element floating point arrays

B) define men and women as floating point variables

C) define height, men and women as floating point variables

D) are illegal

… Answer is A)

366 Consider the following declarations typedef strut{ char name[20]; char middlename[5]; char surname[20]; }NAME NAME class [20];

A) class is an array of 20 characters only

B) class is an array of 20 names where each name consists of a name, middlename and surname

C) class is a new type

D) none of the above

… Answer is B)

367 what would be the values assigned to a,b,c if the statement scanf(“%d %d %d”, &a,&b,&c) is extended with inpur data item 123456?

A) a=12,b=34,c=56

B) a=1,b=2,c=3

C) a=123456 and nothing is assigned to b and c

D) a and b are not assigned anything, c=123456

… Answer is C)

368 What would be the values assigned to a,b and c if the statement scanf(“%3d,%3d,% 3d”, &a,&b,&c) is executed with inputn data as 1234b5678b9(b denotes blank)?

A) a=123,b=4,c=567

B) a=123,b=567,c=9

C) a=123,b=456,c= 789

D) a=1234,b=5678,c= 9

… Answer is A)

369 What would be the values of i, x and c if scanf(“%3d, %5f, %c”,&I, &x, &c) is executed with input data 10b256.875bT ?

A) i=10, b=56.875, C=T

B) i=100, b=256.87, C=T

C) i=010, b=256.87, C=’5′

D) i=10, b=256.8, c=’7′

… Answer is D)

370 What would be the assignments if char s[100]; int d; float f; scanf(“%s, %*d, %f, s &d, &f) is executed with input data fastner b12345b5

A) s=”fastener”, d=12345, f=0.05

B) s=”fastener”, d=123*45,f=0.05

C) s=”fastener”, f=0.05

D) s=”fastener”,d=0.0 5

… Answer is C)

371 What would be the output of the following program fragment? { int I=12345; float x=145.678; printf(“3d,%5d,%8d”,,i,i,i); }

A) 123 123 123

B) 12345 12345 12346

C) 12345

D) 1 2 3

… Answer is B)

372 The function fprintf is used in a program

A) when too many printf calls have been already used in the program

B) in place of printf, since printf uses more memory

C) when the output is to be printed on to a file

D) when the type of the variables to be printed are not known apriori

… Answer is C)

373 In the following satement fprintf(fpt, “%n”,I), the variables fpt is

A) a character variable

B) arbitrarily assigned a value

C) a pointer to a file

D) a speacial kind of variable called “file”

… Answer is C)

374 Consider the following declaration stru list{ int x; struct list *next; }*head; The statement head.x=100

A) assigns 100 to one element of the structure list

B) creates a node of type list and assigns a value to x

C) creates a head of the list

D) is an erroneous statement

… Answer is D)

375 How many times will the following loop be executed? C1=’a’; while (c1>=’a’ && c1<='z') { c1++; }

A) 25

B) 26

C) 0

D) 1

… Answer is B)

376 What is the following function computing? Test(n) int n; { int I; long int prod =1; if (n>1) for (I=2; I<=n;I++) prod * =I; return(prod); }

A) calculates the product of any n positive integers

B) calculates the value of factorial n

C) checks whether n is a non- negative integer

D) none of these

… Answer is B)

377 What is the following function doing? test(a,b) int a,b; { int z=(abs(a)>=abs(b)) ? a:b; return (z); }

A) finds the maximum of a and b;

B) returns the minimum of a and b;

C) returns the member whose abosulute value is largest

D) none of the above

… Answer is C)

378 void summation(n) int n; { int I; sum =0; I=1; for (I=1;I<=n;I++) sum +=1; } The above program returns

A) The sum of n numbers

B) the nth number

C) sum of 1,2,…,n

D) none of the above

… Answer is D)

A) prints a line as it is read from the standard input, character by character

B) reads a line and prints it one character at a line

C) reads a line character by character

D) reads a line character by character, reverses it and prints it

… Answer is D)

380 What will be the output of the following program? { int I=1234; j=0177, k=0xa08c; printf(“%8d %80x\n”,I,j,k); }

A) 1234 1777 a08c

B) 1234 1abc a08c

C) 00001234 01aa ax

D) 1234 0777 ao8o

… Answer is A)

381 What is the following function doing ? Main () { char line [80]; gets (line); puts (line); }

A) prints horizontal straight lines an screens

B) prints 80 vertical line on screen

C) reads in a line of 80 chracters

D) reads and prints lines composed of charactes

… Answer is D)

382 If i,j,k are integers, the scanf function to enter i,j,k such that i is decimal, j is octal and k is hexadecimal would be

A) scanf (“%x %x %8”, i,j,k)

B) scanf (“%d %o %x”, i,j,k)

C) scanf (“%d %o %x” &i, &j, &k)

D) scanf (“%d %8d % 16d”, &i, &j, &k)

… Answer is C)

383 How many times will the following loop be executed if the input data item is 01234? Whil (c=getchar() ! =0) { }

A) Infinitely

B) never

C) once

D) 5 times

… Answer is A)

384 The declaration ” unsigned u” indicates

A) u is an unsigned character

B) u is an unsigned integer

C) u is a character

D) none of the above

… Answer is B)

385 A declaration “short int” is used for variables

A) which have a short duration in a program

B) which have short names

C) which may require less storage than normal integers

D) all of the above

… Answer is C)

386 In case of ordinary int variables

A) the leftmost bit is reserved for sign

B) the rightmost bit is reserved for sign

C) no bit is reserved for signd

D) none of the above

… Answer is A)

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