Question # 1

"setprecision" manipulator will set.

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The number of digits after the decimal point.

The number of digits before the decimal point

The number of digits in a number

None of the given options

Friend function of a class is ______________.

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Member function

Non-member function

Private function

Public function

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

What does STL stand for?

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Source template library

Standard template library

Stream template library

Standard temporary library

For cin, the source is normally a ________ and destination can be.

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File,native data type

Disk, user-define type

Keyboard, variable

File, user-define type

Which of the following statement is best regarding declaration of friend function?

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Friend function must be declared after public keyword

Friend function must be declared after private keyword

Friend function must be declared at the top within class definition

It can be declared anywhere in class as these are not affected by the public and private keywords

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

In C/C++ if we define an array of size eight (8) i.e. int Arr [8]; then the last element of this array will be stored at

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Arr[0]

Arr[8]

Arr[7]

Arr[-1]

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

The appropriate data type to store the number of rows and colums of the matrix is____________.

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float

int (Not sure)

char

none of the given options

When ever dynamic memory allocation is made in C/C++, it is freed_____________.

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Explicitly

Implicitly

Both explicitly and implicitly

None of the given options

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

Consider the following code segment. What will be the output of the following program? int func(int) ; int num = 10 ; int main(){ int num ; num = 5 ; cout << num ; cout << func(num) ; } int func(int x){ return num ; }

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5, 5

10, 5

5, 10

10, 10

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

What will be the correct syntax to declare two-dimensional array of float data type?

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float arr{2}{2} ;

float arr[2][2] ;

float arr[2,2] ;

float[2][2] arr ;

The normal source of cin object is

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File

Disk

Keyboard

RAM

The operator used for casting, in C, is standard ________ operator.

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none of the given options

cast

cost

const

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

Array is a data structure which store

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Memory addresses

Variables

Data Type

Data

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;

width() is member function of _____________.

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cin object

cout object

Both cin and cout object

None of the given option

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