Online Quiz for B.Tech AI/ML II Year III Semester

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++

Which feature of OOP indicates code reusability?

• Abstraction
• Polymorphism
• Encapsulation
• Inheritance

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

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

• 4
• 3
• 2
• 1

What is encapsulation in OOP?

• It is a way of combining various data members and member functions that operate on those data members into a single unit
• It is a way of combining various data members and member functions into a single unit which can operate on any data
• It is a way of combining various data members into a single unit
• It is a way of combining various member functions into a single unit

What is an abstraction in object-oriented programming?

• Hiding the implementation and showing only the features
• Hiding the important data
• Hiding the implementation
• Showing the important data

Which access specifier is usually used for data members of a class?

• Protected
• Private
• Public
• Default

How to access data members of a class?

• Dot, arrow or direct call
• Dot operator
• Arrow operator
• Dot or arrow as required

Which feature of OOP reduces the use of nested classes?

• Inheritance
• Binding
• Abstraction
• Encapsulation