Object Oriented Paradigm

Test 2

10 questions|25 marks

This test will assess your understanding of Object Oriented Programming (OOPs) concepts.

Question 1

2 marks

What is Abstraction?

A way to model Is-A relationship in software

A way to hide some of the implementation details from the outside world

An identifiable entity with some characteristics and behaviour

The act of representing essential features without including the background details or explanations

Question 2

2 marks

The OOPs concept that focuses on hiding the unnecessary is known as

Inheritance

Encapsulation

Abstraction

Polymorphism

Question 3

2 marks

Which feature of OOPs helps with code reusability

Inheritance

Encapsulation

Abstraction

Polymorphism

Question 4

5 marks

Which of the below statements are true for Encapsulation?

Encapsulation wraps data and functions operating on that data into a single unitEncapsulation hides implementation details from the outside worldEncapsulation is a way to implement data abstractionEncapsulation enables a function to have different behavioursAll the given options are false for Encapsulation

Question 5

2 marks

What is polymorphism?

Same function different behaviour

The act of representing essential features without including the background details or explanations

Modelling the similarity

A way to document the code

Question 6

1 marks

Abstraction in OOP (Object Oriented Programming) means to eliminate the irrelevant and amplify the essential

True

False

Question 7

5 marks

What is Inheritance?

A way to hide implementation details from the outside worldAn OOPs concept that enables new classes to inherit properties and methods of existing classesA blue print representing a set of objects sharing common characteristics and behaviourA way to bind data and functions operating on that data into a single unitA way to model Is-A relationship in software

Question 8

1 marks

Inheritance helps with modelling the similarity

True

False

Question 9

1 marks

How many classes can be defined in a single program?

2048

32768

As many as you want

Question 10

4 marks

You are developing a shop management software which generates the bill of the items purchased by the customer. What will be the essential and irrelevant features of the customer from the shopkeeper’s point of view?

Essential – height, weight, marital status, favourite colour Irrelevant – name, address, phone number, email id

Essential – name, address, phone number, email id Irrelevant – height, weight, marital status, favourite colour