A220 - Abstraction

Question 1

What is representational abstraction?

Answer 1

Removing unnecessary details to leave the important ones

Question 2

What is abstraction by generalisation?

Answer 2

Grouping objects or problems together to make solving it or dealing with information easier

Question 3

What is procedural abstraction?

Answer 3

Generalising subroutines to make them work in as many scenarios as possible

Question 4

What is functional abstraction?

Answer 4

Using subroutines without needing to know how exactly they are implemented

Question 5

What is data abstraction?

Answer 5

Using data structures without needing to know how exactly they are implemented

Question 6

What is problem reduction?

Answer 6

Generalising problems to make them easier to solve or to use a prexisting solution

Question 7

What is decomposition?

Answer 7

Breaking a problem down into its component parts to make it easier to solve

Question 8

What is composition in terms of abstraction?

Answer 8

Building a complex system out of simpler problems

Question 9

What is automation?

Answer 9

Using models to solve problems