Structure chart decision (diamond)

Diagram

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Definition

A small diamond where lines meet shows optional execution of a subroutine called as the result of a selection.

Example: A report is not produced each time a book is returned.

Found in: course specifications.

Where you'll use it in the test

Syllabus area: Diagrams and tools.

Question types it can appear in

Drawing: Draw or label it in the online drawing tool.
Multiple choice: Pick the option that matches the definition or example.
Matching or table: Match it to its description, example or category.

Where it has appeared in the paper

The Software Engineering Project (Part B, C). Part letters follow each paper’s own layout.

How to use it

A model sentence

General advice, built from the definition and example above

Diagram: “A small diamond where lines meet shows optional execution of a subroutine called as the result of a selection.” Then apply it: A report is not produced each time a book is returned.

In a short answer, give the definition in your own words first, then tie it to the situation in the question. Do not copy the example above unless it fits the scenario.

Go deeper

Flashcard: Structure chart decision (diamond) in Diagrams and Modelling Tools (Years 11 and 12) · study that set
Memorise: Drawing rules: DFD, structure chart, storyboard, decision tree, class diagram, ERD
Full term page: every question, note and marking comment for Structure chart decision (diamond)

Check yourself

Describe or sketch “Structure chart decision (diamond)”: what it shows, its parts and when you would use it.

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