Question # 1

Every class contains _______________.

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Constructor

Destructor

Both a constructor and a destructor

None of the given options

Which of the following is correct way to initialize a variable x of int type with value 10?

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int x ; x = 10;

int x = 10;

int x, x = 10;

x = 10;

_______ is used to trace the logic of the program and correct the logical errors.

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Compiler

Editor

Linker

Debugger

Like member functions, ______ can also access the private data members of a class.

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Non-member functions

Friend functions

Any function outside class

None of the given options

NULL value has been defined in ______ and _________ header files.

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strings.h and iostream.h

ctype.h and conio.c

conio.c and conio.h

stdlib.h and stddef.h

Consider the following code segment. What will be the output of following code? Int addValue (int *a){ int b = (*a) + 2; return b ; } main () { int x =6 ; cout << x << “,” ; cout << addValue(&x) << “,” ; cout << x ; }.

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6,8,6

6,6,8

6,8,8

6,6,6

When an object of a class is defined inside an other class then

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Constructor of enclosing class will be called first

Constructor of inner object will be called first

Constructor and Destructor will be called simultaneously

None of the given options

Structure is a collection of ______________ under a single name.

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Only Functions

Only Variables

Both Functions and Variables

None of the given options

The function free() returns back the allocated memory got thorough calloc andmalloc to _____.

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stack

heap

stack and heap

None of the given options

Which kind of functions can access private member variables of a class?

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Friend functions of the class

Private member functions of the class

Public member functions of the class

Friend, private and public functions

When an operator function is defined as member function for a binary Plus (+) operator then the number of argument it take is/are.

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Zero

One

Two

N arguments

What is the sequence of event(s) when deallocating memory using delete operator?

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Only block of memory is deallocated for objects

Only destructor is called for objects

Memory is deallocated first before calling destructor

Destructor is called first before deallocating memory

Which of the following function calling mechanism is true for the function prototype given below?

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Call by value

Call by reference using pointer

Call by reference using reference variable

None of the given options

The statement cin.get (); is used to,

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Read a string from keyboard

Read a character from keyboard

Read a string from file

Read a character from file

The operator function overloaded for an Assignment operator (=) must be.

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Non-member function of class

Member function of class

Friend function of class

None of the given options

A template function must have

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One or more than one arguments

Only one argument

Zero arguments

None of the given options

All preprocessor directives are started with the symbol______.

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*

+

@

#

The code is written to __________ the program.

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implement

design

analysis

none of the given options

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