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Welcome to the Object Oriented Programming MCQs Page

Dive deep into the fascinating world of Object Oriented Programming with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Object Oriented Programming, a crucial aspect of Data Structures and Algorithms. In this section, you will encounter a diverse range of MCQs that cover various aspects of Object Oriented Programming, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Data Structures and Algorithms.

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Check out the MCQs below to embark on an enriching journey through Object Oriented Programming. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Data Structures and Algorithms.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Object Oriented Programming. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Object Oriented Programming MCQs | Page 17 of 26

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Q161.
Which of the following is used to make an abstract class?

a.

Declaring it abstract using static keyword.

b.

Declaring it abstract using virtual keyword.

c.

Making at least one member function as virtual function.

d.

Making at least one member function as pure virtual function.

Discuss
Answer: (d).Making at least one member function as pure virtual function.
Q162.
Which of the following access specifier is used as a default in a class definition?

a.

protected

b.

public

c.

private

d.

friend

Discuss
Answer: (c).private
Q163.
What is correct about the static data member of a class?

a.

A static member function can access only static data members of a class.

b.

A static data member is shared among all the object of the class.

c.

A static data member can be accessed directly from main().

d.

Both A and B.

Discuss
Answer: (d).Both A and B.
Q164.
Which of the following provides a reuse mechanism?

a.

Abstraction

b.

Inheritance

c.

Dynamic binding

d.

Encapsulation

Discuss
Answer: (b).Inheritance
Q165.
Which of the following statement is correct?

a.

Class is an instance of object.

b.

Object is an instance of a class.

c.

Class is an instance of data type.

d.

Object is an instance of data type.

Discuss
Answer: (b).Object is an instance of a class.
Q166.
First object oriented language 'Smalltalk' were first appeared in

a.

1972

b.

1982

c.

1992

d.

2000

Discuss
Answer: (a).1972
Q167.
Complex real object contains

a.

attributes

b.

variables

c.

constants

d.

strings

Discuss
Answer: (a).attributes
Q168.
Member function will access data and return the value to user when it is

a.

called

b.

declared

c.

initialized

d.

deleted

Discuss
Answer: (a).called
Q169.
Language which is called pure object oriented language because everything in it is treated consistently as an object, from primitives such as characters and punctuation, all the way up to whole classes, prototypes, blocks, modules, etc. is

a.

SmallTalk

b.

PHP

c.

C

d.

Matlab

Discuss
Answer: (a).SmallTalk
Q170.
In object oriented language, single unit which has data and its function is termed as

a.

attribute

b.

object

c.

constant

d.

loop

Discuss
Answer: (b).object
Page 17 of 26

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