Question # 1

Overloaded new operator function takes parameter of type size_t and returns

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void (nothing)

void pointer

object pointer

int pointer

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

Pointer is a variable which store

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Data

Memory Address

Data Type

Values

While calling function, the arguments are assigned to the parameters from _____________.

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left to right

right to left

no specific order is followed

none of the given options

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

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

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

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

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

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

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

Which value is returned by the destructor of a class?

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A pointer to the class

An object of the class

A status code determining whether the class was destructed correctly

Destructors do not return a value.

Which of the following is the correct C++ syntax to allocate space dynamically for an array of 10 int?

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new int(10)

new int[10] ;

int new(10) ;

int new[10];

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

Class is a user defined___________.

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Data type

Memory referee

Value

None of the given options

Which character is inserted at the end of string to indicate the end of string?

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new line

tab

null

carriage return

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

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) ;

Which of the following is used with bit manipulation?

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Signed integer

Un-signed integer

Signed double

Un-signed double

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

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

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malloc

calloc

realloc

free

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