Code optimisation

Term

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Definition

Improving the speed or memory use of working code (better algorithm, fewer repeated calculations, built-in functions).

Example: See language-dependent and language-independent optimisation.

Found in: syllabus, 2025 HSC marking guidelines, school notes.

Where you'll use it in the test

Syllabus area: Y11 Programming Fundamentals.

Question types it can appear in

Multiple choice: Pick the option that matches the definition or example.
Short answer: Define, outline or explain it and tie it to the scenario.

Where it has appeared in the paper

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

How to use it

A model sentence

General advice, built from the definition and example above

“Improving the speed or memory use of working code (better algorithm, fewer repeated calculations, built-in functions).” Then apply it: See language-dependent and language-independent optimisation.

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

From the linked past questions

Identify: Recognise and name. (2025 HSC Q4 (1 mark): Optimisation)

Go deeper

Flashcard: Code optimisation in Programming Fundamentals (Year 11) · study that set
Memorise: Testing and code quality (Year 11)
Notes: Maintenance, version control, stubs and drivers, optimisation (The Software Engineering Project (Year 12))
Full term page: every question, note and marking comment for Code optimisation

Check yourself

Explain “Code optimisation” in one sentence, give an example, and name a question type that could test it.

Reveal the answer