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Object-Oriented Programming Basics Quiz

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Questions and Answers

Which one of the following statements best defines Object-Oriented Programming (OOP)?

It is a user-defined data type that acts as a template for creating objects
It provides data hiding for security
It follows a bottom-up programming approach
It is based on real-world entities with properties and functionalities (correct)

What is a class in the context of Object-Oriented Programming (OOP)?

A user-defined data type acting as a template for creating objects (correct)
A bottom-up programming approach
A collection of objects that consume memory space
A real-world entity with properties and functionalities

What is an object in the context of Object-Oriented Programming (OOP)?

A fictional entity without any properties or functionalities
A real-world entity with properties and functionalities (correct)
An instance of a bottom-up programming approach
A user-defined data type acting as a template for creating classes

What is the key difference between a class and an object in OOP?

Classes take space in memory, while objects do not (A) Signup and view all the answers

What is the fundamental difference between a class and a structure in OOP?

Classes can consume memory space, while structures don't (C) Signup and view all the answers

Which of the following is NOT true about Object-Oriented Programming (OOP)?

It follows a top-down programming approach (D) Signup and view all the answers

What is the main advantage of encapsulation in object-oriented programming?

Hiding and protecting data from unauthorized access (D) Signup and view all the answers

Which memory area are class's objects created on?

Heap memory (B) Signup and view all the answers

What type of inheritance is not possible for a structure in object-oriented programming?

Multiple inheritance (B) Signup and view all the answers

Which access specifier provides the highest level of accessibility in object-oriented programming?

Public (D) Signup and view all the answers

What does the term 'abstraction' refer to in object-oriented programming?

Hiding unnecessary data from the user (C) Signup and view all the answers

What is the main purpose of access specifiers in object-oriented programming?

To restrict the scope or visibility of variables, methods, or other data members (D) Signup and view all the answers

Where are structure's objects created in memory in object-oriented programming?

Stack memory (C) Signup and view all the answers

What is NOT accessible by classes in other packages when using 'protected' access specifier in object-oriented programming?

'Protected' provides access to classes in other packages (A) Signup and view all the answers

What type of inheritance is possible for a class in object-oriented programming?

Multiple inheritance (D) Signup and view all the answers

What is the scope or visibility of 'public' access specifier in object-oriented programming?

Accessible throughout from within or outside the class, within or outside the package, etc. (B) Signup and view all the answers

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