Object Oriented Programming in C++ MCQ with Answers

Object Oriented Programming in C++ MCQ with Answers pdf. Object Oriented Programming using C++ Multiple Choice Questions and Answers.

Object-oriented programming (OOP) has become an essential aspect of modern software development, enabling programmers to design and develop complex applications efficiently. When it comes to OOP in the C programming language, it is crucial to have a solid understanding of its principles and concepts.

One effective way to test your knowledge on this subject is through Multiple Choice Questions (MCQs) that cover various aspects of object-oriented programming in C. This article aims to provide you with a comprehensive set of MCQs along with their answers, allowing you to assess your proficiency in OOP using C.

Whether you are a student preparing for an exam or a developer seeking to enhance your skills, these MCQs will serve as an invaluable resource for self-assessment and learning.

Object Oriented Programming in C++ MCQs

1. High-level languages like C and Fortran are also known as —-.
a. procedural languages
b. Object-oriented language
c. form-based language
d. both a and b
Answer: (a)

2. One of the basic concepts in Object Oriented Programming approach is bundling both data and functions into one unit known as —-.
a. Simple variable
b. object
c. bundle
d. both a and b
Answer: (b)

3. Which of the following shows the Operator overloading feature in C++
a. Polymorphism
b. inheritance
c. message passing
d. both a and b
Answer: (a)

4. One of the alternatives to nested if is the —–
a. break statement
b. Jump statement
c. switch statement
d. both a and b
Answer: (c)

5. In the switch case statement, every case should have a —- statement as the last statement
a. Jump
b. break
c. exit
d. both a and b
Answer: (b)

6. Conditional operator (?:) is a handy operator which acts as a shortcut for —-
a. if-else statement
b. switch statement
c. break statement
d. goto statement
Answer: (a)

7. —- is the ability of objects belonging to different types to respond to method calls of methods of the same name, each one according to appropriate type-specific behavior.
a. Inheritance
b. Virtuality
c. Polymorphism
d. None of these
Answer: (c)

8. In two-dimensional arrays, elements can be accessed by —– indexes.
a. One
b. four
c. three
d. two
Answer: (d)

9. Strings are nothing but —– arrays
a. character
b. integer
c. floating point
d. both c and b
Answer: (a)

10. If there is no value returned by the function, then the function return type should be specified as —–
a. void
b. Function name only
c. int
d. float
Answer: (a)

11. Every user-defined function should be declared in the program —–.
a. after it is used
b. before it is used
c. at the time of its invocation
d. both a and b
Answer: (b)

12. More than one user-defined function can have the same name and perform different operations. This is a powerful feature of C++ and is known as —-
a. inheritance
b.operator loading
c. function overloading
d. both c and b
Answer: (c)

13. If a function is declared virtual in its base class, you can still access it directly using the —-
a. Virtual Keyword
b. scope resolution Operator
c. Indirection Operator
d. Address Operator
Answer: (b)

14. Private data and functions can be accessed only by the —- of the class
a. Member data
b. member functions
c. friend function
d.both a and b
Answer: (b)

15. Constructors are member functions of a class that have the same name as the —–
a. class name name
b.data member
c. class name
d. other class data member
Answer: (c)

16. When using operator overloading, the operator should perform only the —-. Otherwise, it will lead to more confusion.
a. most obvious function
b. Local function
c. global function
d. both b and c
Answer: (a)

17. Which of the following operator cannot be overloaded?
a. Addition
b. scope resolution operator
c. multiplication
d. division
Answer: (b)

18. Operator overloading works similarly to any —– of a class
a. member function
b. friend function
c. data member
d. both b and c
Answer: (a)

19. The features of the base class are said to be inherited by the —-
a. constructor
b. Protected class
c. private class
d. derived class
Answer: (d)

20. The data members in a class are usually declared —–
a. Protected
b. public
c. private
d. both a and c
Answer: (c)

21. Data members which will be inherited will have to be declared as —–
a. protected
b. public
c. private
d. both b and c
Answer: (a)

22. Multiple Inheritances is the process of inheriting a class from —– class
a. single parent
b. more than one child
c. more than one parent
d. Only one child
Answer: (c)

23. For inheritance, parent class member functions are invoked using the —- operator
a. Dot
b. scope resolution
c. colon
d.->
Answer: (b)

24. Virtual functions are primarily used in —–
a. inheritance
b. operator overloading
c. encapsulation
d. data binding
Answer: (a)

25. The header file —- is a header file containing the declarations of cin and cout classes
a. system.h
b. Stdio.h
c. iostream.h
d . process.h
Answer: (c)