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Functionality and performance requirements

Term Y12 SE Project

Definition

Functionality is what the software does; performance is how fast, how reliable, how much load.

Example: Functional: calculate tax. Performance: respond within 1 second.

Found in: syllabus, 2025 HSC marking guidelines, sample exam and familiarisation guidelines, school notes, past SDD papers.

Where it is used in the test

Syllabus area: Y12 SE Project.

Question types it can appear in

No past question in this bank is linked to this term yet. It can still be tested through the question types above.

Study links

How to use it in an answer

A model sentence

General advice, built from the definition and example above

“Functionality is what the software does; performance is how fast, how reliable, how much load.” Then apply it: Functional: calculate tax. Performance: respond within 1 second.

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.

Command words used with it

General advice

No linked question shows the command word for this term. Across the past short answer questions in this bank the words used most are: Explain, Outline, Describe, Compare, Classify, Analyse. Check the actual word in your question.

Technique for the question types

Common mistakes

General advice
  • Use the term exactly as the syllabus words it, then link it to the scenario in the question; the 2025 feedback repeatedly rewards using the stimulus.
  • Answer the command word: outline gives main points only, explain gives a reason or cause, discuss gives both sides.

Same group in the syllabus: Requirements · Need or opportunity · Feasibility · Boundaries · Data structures and data types (defining) · Brainstorming, mind-mapping and storyboards · Data dictionary · Code generation · Installation · Maintenance