Quiz on Object-Oriented Programming in C++

What is the main aim of Object-Oriented Programming (OOP)?

• To increase the complexity of code

• To eliminate the use of classes

• To bind together data and functions

• To separate data and functions

Which of the following is NOT a basic concept of OOP?

• Compilation

• Polymorphism

• Inheritance

• Encapsulation

What does a class in C++ represent?

• A type of variable

• A function that performs operations

• A blueprint for creating objects

• A data structure for arrays

What is encapsulation in OOP?

• Inheriting properties from another class

• Creating multiple forms of a function

• Binding data and functions together

• Hiding the implementation details

Which of the following is an example of polymorphism?

• A variable that cannot change its value

• A function that can operate on different data types

• A class inheriting from another class

• A method that is private

What is the purpose of inheritance in OOP?

• To create new classes from existing ones

• To hide data from other classes

• To define functions that cannot be overridden

• To ensure data is always public

Which keyword is used to define a class in C++?

• object

• class

• define

• struct

What is an object in OOP?

• A type of function

• An instance of a class

• A blueprint for a class

• A variable that cannot be changed

Which of the following is a feature of C++?

• It does not support pointers

• It is a purely functional programming language

• It supports both low-level and high-level programming

• It is only used for web development

What does the 'public' access modifier do?

• Restricts access to the class only

• Allows access from outside the class

• Hides the member from all classes

• Allows access only to derived classes