Question # 1

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

If we define an identifier with the statement #define PI 3.1415926 then during the execution of the program the value of PI __________.

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can not be replaced

None of the given options

Remain constant

can be changed by some operation

Header file: fstream.h includes the definition of the stream classes __________.

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ifstream, fstream, cout

ifstream, fstream, ofstream

fstream, cin, cout

None of the above

A Matrix can be composed of ints, floats or doubles as their elements. Best way is to handle this

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Write a separate class to handle each

Use templates

Use strings to store all types

None of the given options

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 NOT a preprocessor directive?

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#error

#define

#line

#ndefine

Disks are _______________ devices having access time of _________ milliseconds

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Electro-physical, 6

Electro-Mechanical, 4

Electro-physical, 5

Electro-Mechanical, 7

Which of the following function is used to increase the size of already allocated memory chunk?

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malloc

calloc

realloc

free

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

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right

left

binary

unary

If there is more than one statement in the block of a for loop, which of the following must be placed at the beginning and the ending of the loop block?

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parentheses ( )

braces { }

brackets [ ]

arrows < >

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

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Compiler

Editor

Linker

Debugger

Friend function of a class is ______________.

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Member function

Non-member function

Private function

Public function

Structured Query Language is used for ______________

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Databases Management

Networks

Writing Operating System

none of the given options

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

Array is a data structure which store

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Memory addresses

Variables

Data Type

Data

When an object of a class is defined inside another class then,

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Destructor of enclosing class will be called first

Destructor of inner object will be called first

Constructor and Destructor will be called simultaneously

None of the 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

When an array is passed to a function then default way of passing this array is

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By data

By reference

By value

By data type

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