AQA A2 Computing 2.1 Programming Concepts

Question 1

Object

Answer 1

an instance of a class

Question 2

Instantiation

Answer 2

an oject is defined based on a class

Question 3

Class definition

Answer 3

a pattern or template that can be used to create objects of that class

Question 4

Encapsulation

Answer 4

combining a record with the procedures and functions that manipulate it to form a new data type, a class

Question 5

Inheritance

Answer 5

defining a class and then using it to build a hierarchy of descendant classes with each descendant inheriting access to all its ancestors’ code and data.