Question # 1

Which of the following is NOT a preprocessor directive?

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#error

#define

#line

#ndefine

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

New operator allocates memory from free store and return.

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A pointer

A reference

An integer

A float

Skill(s) that is/are needed by programmer’s _______________________.

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Paying attention to detail

Think about the reusability

Think about user interface

All of the given options

The code is written to __________ the program.

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implement

design

analysis

none of the given options

The first parameter of operator function for << operator,

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Must be passed by value

Must be passed by reference

Can be passed by value or reference

Must be object of class

Which of the following function(s) is/are included in ctype.h header file?

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isdigit(int c)

isxdigit(int c )

tolower(int c)

All of the above

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

For which array, the size of the array should be one more than the number of elements in an array?

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int

double

float

char

Which of the following function do NOT initialize the chunk of memory to all zero?

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calloc() function

Both malloc() and calloc()

None of the above

malloc() function

A pointer variable can be,

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Decremented

Incremented

Multiplied

Both Iecremented and Decremented

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

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

If there is a symbol (& sign) used with the variable name followed by data type then it refers to _____ and if & is being used with variable name then it refers to _____.

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Address of variable, reference variable

Reference variable, value of variable

Reference variable, address of variable

Address of variable, value of variable

What will be the correct syntax to assign an array named arr of 5 elements to a pointer ptr?

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*ptr = arr ;

ptr = arr ;

*ptr = arr[5] ;

ptr = arr[5] ;

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 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

If overloaded plus operator is implemented as non-member function then which of the following statement will be true for the statement given below?obj3 = obj1 + obj2 ;

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obj2 will be passed as an argument to + operator whereas obj2 willdrive the + operator

obj1 will drive the + operator whereas obj2 will be passed as an argument to + operator

Both objects (obj1, obj2) will be passed as arguments to the + operator (not sure)

Any of the objects (obj1, obj2) can drive the + operator

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

Pointer is a variable which store

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Data

Memory Address

Data Type

Values

With user-defined data type variables (Objects), self assignment can produce.

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Syntax error

Logical error

Link error

Non of the given options

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