2.1.1) Thinking Abstractly

Question 1

What is Abstraction?

Answer 1

The process of modelling a problem by focusing on key objects, this includes extracting the most necessary information

Question 2

Why is Abstraction needed?

Answer 2

To reduce complexity, the need for memory and processor time. This simplifies coding.

Question 3

What can Abstraction facilitate?

Answer 3

Reusable code as it can be used in lots of different scenarios

Question 4

What could be a downside of Abstraction?

Answer 4

Factors that have been dismissed may be vital

Question 5

What is representational abstraction?

Answer 5

Analysing what is relevant to a given scenario and creating a simplified version based on this

Question 6

is abstraction by generalisation?

Answer 6

Similarities within a problem to identify what kind of problem it is

Question 7

What is data abstraction?

Answer 7

The process of hiding how data is being stored, allowing programs to use abstract data structures

Question 8

What is procedural abstraction?

Answer 8

Pushing a popping items to a to and from a stack without having any knowledge about the code used to implement this functionality