Caching

Term

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Definition

Storing copies of data or files locally or on a server so they do not have to be fetched again.

Example: Cache commonly requested weather data.

Found in: 2025 HSC marking guidelines, sample exam and familiarisation guidelines, school notes.

Where you'll use it in the test

Syllabus area: Y12 Programming for the Web.

Question types it can appear in

Short answer: Define, outline or explain it and tie it to the scenario.
Multiple choice: Pick the option that matches the definition or example.
Fill in the blanks: Choose this term to complete a statement or table.

Where it has appeared in the paper

Programming for the Web (Part A, 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

“Storing copies of data or files locally or on a server so they do not have to be fetched again.” Then apply it: Cache commonly requested weather data.

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

Outline: Sketch in general terms; indicate the main features of. (2025 HSC Q16b (3 marks): Load times)
Explain: Relate cause and effect; make the relationship between things evident; provide why and/or how. (Familiarisation Q10 (4 marks): Load time)

Official worked answer

2025 HSC Q16b (3 marks): Load times (3 marks): official criteria and sample answer

Criteria

3: Outlines TWO ways, other than a PWA, to minimise load time. 2: Outlines ONE way, OR identifies TWO ways. 1: Some relevant information.

Sample answer

One way would be to provide the option to select lower resolution images or text only display. Another way would be to utilise caching as this would provide high speed access to commonly requested weather data.

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Go deeper

Flashcard: Caching in Programming for the Web (Year 12) · study that set
Memorise: Web development system: front end, back end, databases
Full term page: every question, note and marking comment for Caching

Check yourself

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

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