OCR H446 · Component 02

2.1.3 Thinking procedurally

Decompose problems, order dependent steps and design clear sub-procedures.

Topic overview

Build accurate recall, then apply it.

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Identify two sub-procedures for an application that imports sensor readings and reports valid daily means. Give each purpose.Apply
What is decomposition?Decomposition
Decompose the problem of running a library loan service.Apply
Identify components of a solution that calculates a class average from input marks.Apply
Why must mark validation happen before an accepted mark contributes to an average?Sequence
What makes a useful sub-procedure boundary?Modularity

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