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O-O Programming Fundamentals

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Questions and Answers

What is the key characteristic of an object in O-O programming?

It contains both data and behavior (correct)
It is a standalone method
It contains only data
It contains only behavior

What is the outcome of having uncontrolled access to data in procedural programming?

Improved code reusability
Tighter control over data access
Unpredictable access to data (correct)
Easier testing and debugging

What is the main difference between procedural and object-oriented programming?

Procedural programming uses methods, while O-O programming uses functions
Procedural programming separates data and behavior, while O-O programming combines them (correct)
Procedural programming uses data structures, while O-O programming uses objects
Procedural programming is used for small projects, while O-O programming is used for large projects

What is the benefit of using object-oriented programming over procedural programming?

Tighter control over data access (A) Signup and view all the answers

What is the result of having no control over who has access to data in procedural programming?

More difficulties in testing and debugging (A) Signup and view all the answers

What happens if a subclass inherits an abstract method from a superclass but does not provide a concrete implementation?

It will be an abstract class itself (D) Signup and view all the answers

What is the term used to describe the relationship between a computer and its components, such as a video card?

Has-a (B) Signup and view all the answers

What is the primary difference between a composition relationship and an inheritance relationship?

Inheritance is an Is-a relationship, while composition is a Has-a relationship (D) Signup and view all the answers

What is the result of a television set containing a tuner and video display?

The television set has a composition relationship with the tuner and video display (A) Signup and view all the answers

What is the term used to describe the process of creating objects from other objects?

Composition (D) Signup and view all the answers

What is the relationship between a computer and its drive?

The computer has a composition relationship with the drive (D) Signup and view all the answers

What is the purpose of abstract methods in a superclass?

To require subclasses to provide a concrete implementation (A) Signup and view all the answers

What is the result of opening up a computer and removing the drive?

Both the computer and the drive are still considered valid objects (B) Signup and view all the answers

What is the term used to describe the relationship between a television and its tuner?

Has-a (D) Signup and view all the answers

What is the main difference between an inheritance relationship and a composition relationship?

Inheritance is an Is-a relationship, while composition is a Has-a relationship (C) Signup and view all the answers