REPEAT UNTIL loop (post-test)

Code pattern

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Definition

REPEAT ... UNTIL condition is true: the body runs at least once, then the condition is tested.

Example

REPEAT GET guess UNTIL guess = answer

Found in: course specifications, past SDD papers.

Where you'll use it in the test

Syllabus area: Code patterns.

Question types it can appear in

Pseudocode: Use it correctly in the exam pseudocode editor.
Code reading: Code or algorithm reading: interpret a fragment and state its output or purpose.

Where it has appeared in the paper

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

How to use it

A model sentence

General advice, built from the definition and example above

Code pattern: “REPEAT ...” Then apply it: REPEAT GET guess UNTIL guess = answer

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.

Official worked answer

Sample exam Q9 (2 marks): Algorithm design (guessing game) (2 marks): official criteria and sample answer

Criteria

2: Correctly orders the steps. 1: Correctly orders the WHILE and ENDWHILE steps.

Sample answer

Set number = random integer between 0 and 100 WHILE guess <> number Display "Guess a number between 0 and 100:" Get guess ENDWHILE Display "Well Done"

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Go deeper

Flashcard: REPEAT UNTIL loop (post-test) in Code Patterns: Pseudocode, Python, SQL, CSS (Years 11 and 12) · study that set
Memorise: Python and SQL you must be able to write
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