IPO chart (Input, Process, Output)

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Definition

A table listing the inputs, the processes applied and the outputs of a system or subroutine; used when determining specifications.

Example: IPO: Input username and password, Process compare with stored hash, Output access granted or denied.

Check this one: Not named in the 2022 syllabus text; taught in the school notes and used in past SDD papers.

Found in: past SDD papers.

Where you'll use it in the test

Syllabus area: Y11 Programming Fundamentals.

Question types it can appear in

Drawing: table
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 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

“A table listing the inputs, the processes applied and the outputs of a system or subroutine; used when determining specifications.” Then apply it: IPO: Input username and password, Process compare with stored hash, Output access granted or denied.

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

Describe: Provide characteristics and features. (2022 Software Design and Development HSC Q27 (10 marks): Modelling and design (IPO, data structure, Gantt))

Go deeper

Flashcard: IPO chart (Input, Process, Output) in Programming Fundamentals (Year 11) · study that set
Memorise: Software development steps and algorithm design
Full term page: every question, note and marking comment for IPO chart (Input, Process, Output)

Check yourself

Explain “IPO chart (Input, Process, Output)” in one sentence, give an example, and name a question type that could test it.

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