Abstraction Methods

What is abstraction?

Reducing problems to their essential features

What is representational abstraction?

Remove unnecessary details

What is abstraction by generalisation?

Grouping by common characteristics

What is information hiding?

Hiding all details that do not contribute to the essential characteristics of a problem

What is procedural abstraction?

Keeping the actual values used seperate from the overall design

What is functional abstraction?

The particular computation method is hidden

What is data abstraction?

Details of how data is stored in an abstract data structure is hidden

What is problem abstraction?

Removing details until the problem reduces to one which has already been solved

What is decomposition?

Breaking a problem down into smaller sub-problems

What is composition abstraction?

Combining procedures to form a compound procedure

What is automation?

Building models of real world objects in order to solve a particular problem