Principles of Object Oriented Programming

1. Who invented OOP?

• Andrea Ferro

• Adele Goldberg

• Alan Kay

• Dennis Ritchie

Which is not a feature of OOP in general definitions?

• Efficient Code

• Code reusability

• Modularity

• Duplicate/Redundant data

Which was the first purely object oriented programming language developed?

• Kotlin

• SmallTalk

• Java

• C++

When OOP concept did first came into picture?

• 1980’s

• 1995

• 1970’s

• 1993

Which header file is required in C++ to use OOP?

• OOP can be used without using any header file

• stdlib.h

• iostream.h

• stdio.h

Which among the following doesn’t come under OOP concept?

• Data hiding

• Message passing

• Platform independent

• Data binding

Which feature of OOP is indicated by the following code?

class student{ int marks; };

class topper:public student{ int age; topper(int age){ this.age=age; } };

• Encapsulation and Inheritance

• Inheritance and polymorphism

• Polymorphism

• Inheritance

The feature by which one object can interact with another object is _____________

• Message reading

• Message Passing

• Data transfer

• Data Binding

How many types of access specifiers are provided in OOP (C++)?

• 4

• 3

• 2

• 1

In multilevel inheritance, which is the most significant feature of OOP used?

• Code efficiency

• Code readability

• Flexibility

• Code reusability