AQA A’Level SLR03 Structured approach to program design


About this video

AQA Specification Reference
AS Level 3.1.2.1
A Level 4.1.2.2

This video takes a look at the importance of using a structured approach when designing and constructing programs. In particular we look at the use of hierarchy charts.

Key questions:

- What are hierarchy charts and why are they useful?
- What are the advantages of using a structured approach to program design?

00:00 Structured approach to program design
00:05 Intro
00:10 The structured approach to program design
01:07 Problem decomposition
01:36 Step-wise refinement and top-down modular design
02:53 Advantages of the structured approach
03:39 Key questions
03:51 Outro

Last updated: 11.04.25