Free Bachelor of Computer Engineering Object Oriented Programming Questions and Answers

Question 1

Who invented the OOP?

Accepted Answer

Alan Kay

Answer

Adele Goldberg

Answer

Dennis Ritchie

Answer

Andrea Ferro

Question 2

What does a general definition of OOP not include as an attribute?

Accepted Answer

Duplicate/Redundant data

Answer

Code reusability

Answer

Efficient Code

Answer

Modularity

Question 3

Which programming language was the first to focus solely on objects?

Accepted Answer

SmallTalk

Answer

C++

Answer

Kotlin

Answer

Java

Question 4

When did the OOP concept initially come into existence?

Accepted Answer

1970’s

Answer

1980’s

Answer

1993

Answer

1995

Question 5

What attribute of OOP denotes code reuse?

Accepted Answer

Inheritance

Answer

Polymorphism

Answer

Encapsulation

Answer

Abstraction

Question 6

Which header file does C++ need to use OOP?

Accepted Answer

OOP can be used without using any header file

Answer

stdlib.h

Answer

iostream.h

Answer

stdio.h

Question 7

Why does Java include some OOP features?

Accepted Answer

It supports usual declaration of primitive data types

Answer

It allows code to be written outside classes

Answer

It doesn’t support all types of inheritance

Answer

It does not support pointers

Question 8

Which of the following is not a component of OOP?

Accepted Answer

Platform independent

Answer

Data binding

Answer

Data hiding

Answer

Message passing

Question 9

What is the proper inheritance syntax?

Accepted Answer

class derived_classname : access base_classname{ /*define class body*/ };

Answer

class base_classname :access derived_classname{ /*define class body*/ };

Answer

class base_classname : derived_classname{ /*define class body*/ };

Answer

class derived_classname : base_classname{ /*define class body*/ };

Question 10

The characteristic that allows one object to interact with another object is .

Accepted Answer

Message Passingc

Answer

Data Binding

Answer

Message reading

Answer

Data transfer