2.2.1(f) Programming OOP

Which of the following concepts of OOPS means exposing only necessary information to client?

• Encapsulation
• Abstraction
• Data hiding
• Data binding

Which of the following is correct with respect to the OOP concept in OCR Ref language?

• Objects are real-world entities while classes are not real.

• Classes are real-world entities while objects are not real.

• Both objects and classes are real-world entities.

• Both objects and classes are not real.

What is wrapping of data into a single unit called class called?

• Abstraction

• Polymorphism

• Encapsulation

• Inheritance

What is the process in which objects of one class can link and share some common properties from the objects of another class?

• Abstraction

• Inheritance

• Polymorphism

• Encapsulation

What is the process of using a function for more than one purpose that allows the use of different internal structures of the object by keeping the same external interface?

• Inheritance

• Polymorphism

• Abstraction

• Encapsulation

Choose the Object oriented programming languages from the following:

• Turing

• Java

• Pascal

• Python

What is an instance of or a copy of a class?

• Class

• Object

• Attribute

• Interface

What is blue print that defines certain characteristics and behavior that is simply a representation of different types of objects?

• Class

• Object

• Attribute

• Characteristics

What allows us to consider complex ideas while ignoring irrelevant detail that could confuse us?

• Abstraction

• Encapsulation

• Inheritance

• Polymorphism

Which one(s) is/are an object?

• public class Rectangle

• Student ada = new Student();

• Rectangle rect = new Rectangle(10, 3);

• ada.reName();