DFD process (circle)

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Definition

A circle is a process: it uses input(s) to generate output(s). Name it with a verb phrase.

Example: Process: Validate login.

Check this one: Not found word-for-word in the supplied syllabus, specifications, marking guidelines or notes; the definition is standard computing knowledge, so check it against your class notes.

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 D). 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 circle is a process: it uses input(s) to generate output(s).” Then apply it: Process: Validate login.

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

Check yourself

Describe or sketch “DFD process (circle)”: what it shows, its parts and when you would use it.

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