in C++ sizeof operator is used to determine ________

• A)
• B)
• C)
• D)

What allows an object to interact with private data members of a class?

• A) Inheritance
• B) Pointers
• C) Global variables
• D) Public member functions

which of the following header file deals with stream extraction?

• A)
• B)
• C)
• D)

Public member functions of the class ______________main program.

• A) are accessible in
• B) are not accessible in
• C) are private to
• D) are defined within the

Type to use getch() function without including #include<conio.h> header file in the program is a ________ error

• A)
• B)
• C)
• D)

Destructor _______________________.

• A) takes no arguments and can be overloaded
• B) cannot be overloaded and have return type
• C) can be overloaded and have return type
• D) cannot be overloaded and have no return type

in C++ the default constructor takes ________

• A)
• B)
• C)
• D)

We cannot use ______________ pointer for storing and reading data from it.

• A) double
• B) NULL
• C) integer
• D) zero

in C++ the name of the ________ is the same as that of a class with a preceding tilde (~) sign.

• A)
• B)
• C)
• D)

Which of the following is the default mode of the file opening while using the ofstream class?

• A) ios::trunc
• B) ios::app
• C) ios::out
• D) ios::in

which of the following option returns the state of end file?

• A)
• B)
• C)
• D)

What is the default access level for members of a class in C++?

• A) global
• B) protected
• C) private
• D) public

If the memory in the free store is not sufficient enough to fulfill the request, malloc() function return ________

• A)
• B)
• C)
• D)

An integer uses four bytes and the integer calculations occur in ______ bytes.

• A) 8
• B) 3
• C) 4
• D) 2

in C/C++ language, memory at runtime is allocated from ________

• A)
• B)
• C)
• D)

Which one of the following is used to perform bit-wise exclusive OR operation?

• A) |
• B) ||
• C) ^
• D) ~

When overloading assignment (=) operator, which of the following syntax is correct?

• A)
• B)
• C)
• D)

Which of the following is not a file opening mode_________________?

• A) ios::ate
• B) ios::out
• C) ios::in
• D) ios::truncate

which of the following code:

• A)
• B)
• C)
• D)

What is the use of ios::trunc mode?

• A) To open a file in output mode
• B) To truncate an existing file to half
• C) To truncate an existing file to zero
• D) To open a file in input mode