Chapter 1: Overview of CPP | class 12th | mcqs of computer science

Computer Science (C++) MCQ

1 . In C++ every statement end with

• colon(:)
• Comma (,)
• dot (.)
• Semicolon (;)

Answer

Semicolon (;)

2. Base class is

• normal class
• derived class
• child class
• all of these

Answer

normal class

3. Which of the following is not a feature of C++.

• Operator overloading
• Inheritance
• Namespace
• Reflection

Answer

Reflection

4. Which of the following is not a member of the class?

• Static function
• Friend function
• Virtual function
• Const function

Answer

5. Which of the following is the correct class of the object cout?

• iostream
• istream
• ostream
• ifstream

Answer

ostream

6. Which of the following is not a type of inheritance?

• Multiple
• Multilevel
• Distributive
• Hierarchical

Answer

Distributive

7. In protected inheritance, a public data member of the base class will be treated in a derived class as.

• public
• private none of the above
• protected
• none of the above

Answer

public

8. main is a/an

• keyword
• object
• function
• none of the above

Answer

function

9. A set of arithmetic operators are.

• + , – , * , / , %
• < , > , >= , <=
• &&, ||, !
• none of the above

Answer

+ , – , * , / , %

10. A set of logical operators are.

• + , – , * , / , %
• < , > , >= , <=
• &&, ||, !
• none of the above

Answer

&&, ||, !

11. Which of the following concepts means determining at runtime what method to invoke.

• Data hiding
• Dynamic loading
• Dynamic typing
• Dynamic binding

Answer

Dynamic binding

12. is a way of combining data with functions into an object.

• Object
• Encapsulation
• Inheritance
• Constructor

Answer

13. eof is an acronym of

• the ending of line
• ending of files
• end of file
• None of the above

Answer

end of file

14. C++ language has been developed by

• Dennis Ritchie
• Ken Thompson
• Martin Richard
• Bjarne Stroustrup

Answer

Bjarne Stroustrup

15. Which operator has the lowest precedence?

• Size
• Urinary
• Assignment
• Comma

Answer

Assignment

16. The ternary operator operates on how many operands?

• 1
• 2
• 3
• 4

Answer

3

17. An instance of a class is called…….

• private
• object
• public
• None of the above

Answer

object

18. Which of the following library function below by default aborts the Program.

• end ( )
• terminate ( )
• abort ( )
• exit ( )

Answer

exit ( )

19. The individual elements in an array are called

• encrypted
• Decrypted
• Subscripted
• Identifier

Answer

Subscripted

20. The default access level assigned to members of the class is.

• Private
• Public
• Protected
• None of these

Answer

Private