Question # 1

The normal source of cin object is

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File

Disk

Keyboard

RAM

Is used for ___________.

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calculation

reading

assigning value to variables

None of the given options.

What is the sequence of event(s) when allocating memory using new operator?

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Only block of memory is allocated for objects

Only constructor is called for objects

Memory is allocated first before calling constructor

Constructor is called first before allocating memory

Memory allocated at run time is a system resource and it is the responsibility of _____ to de-allocate the memory.

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System

Programmer

User of program

None of given options

A Pointer is a special variable that contain.

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Data values

Memory Address

Both data and values

None of the given option

Assignment operator is -------------------------associative.

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right

left

binary

unary

How many bytes will the pointer intPtr of type int move in the following statement? intPtr += 3 ;

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3 bytes

6 bytes

12 bytes

24 bytes

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;

UNIX has been developed in ________ language

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JAVA

B

C

FORTRAN

The return type of the operator function for << operator is __________.

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class for which we overload operator

reference of ostream class (ostream&)

reference of istream class (istream&)

void

The return type of a function that do not return any value must be ________.

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float

int

void

double

Pointer is a variable which store

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Data

Memory Address

Data Type

Values

*.doc is _____________ by type.

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Sequential File

Random Access File

Data File

Record File

What does (*this) represents?

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The current function of the class

The current pointer of the class

The current object of the class

A value of the data member

If text is a pointer of class String then what is meant by the following statement? text = new String [5];

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Creates an array of 5 string objects statically

creates an array of 5 string objects dynamically

Creates an array of pointers to string

Creates a string Object

To access the data members of structure _______ is used.

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dot operator

* operator

U operator

None of given

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

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

new and delete are _____ whereas malloc and free are _____.

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Functions, operators

Classes, operators

Operators, functions

Operators, classes

Which one of the following is the declaration of overloaded pre-increment operator implemented as member function?

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Class-name operator +()

Class-name operator +(int)

Class-name operator ++() ;

Class-name operator ++(int) ;

When we define an array of objects then

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Destructor will call once for whole array

Destructor will call for each object of the array

Destructor will never call

Depends on the size of array

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