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AlgorithmsStudy Notes

Exam Tips

Part of Bubble Sort — GCSE Computer Science

This study notes covers Exam Tips within Bubble Sort for GCSE Computer Science. Revise Bubble Sort in Algorithms for GCSE Computer Science with 15 exam-style questions and 10 flashcards. This topic appears less often, but it can still be a useful differentiator on mixed-topic papers. It is section 8 of 8 in this topic. Use this study notes to connect the idea to the wider topic before moving on to questions and flashcards.

Topic position

Section 8 of 8

Practice

15 questions

Recall

10 flashcards

Exam Tips

  • Key difference: Functions RETURN values, procedures don't
  • Syntax: Use OCR's keywords (function, endfunction, procedure, endprocedure)
  • Common mistake: Saying "function" when you mean "procedure" or vice versa

Keep building this topic

Read this section alongside the surrounding pages in Bubble Sort. That gives you the full topic sequence instead of a single isolated revision point.

Memory TrickVideo LessonReusable Code Blocks

Practice Questions for Bubble Sort

Which of the following best describes bubble sort?

  • A. It selects the smallest element and moves it to the front each pass
  • B. It compares adjacent elements and swaps them if they are in the wrong order
  • C. It divides the list in half repeatedly until each half is sorted
  • D. It inserts each element into its correct position one at a time
1 markfoundation

Describe how bubble sort works. You should refer to what happens during each pass through the list. [3 marks]

3 marksstandard

Quick Recall Flashcards

Why is it called bubble sort?
Largest values bubble up to the end like bubbles rising in water
How does bubble sort work?
Compare adjacent pairs, swap if wrong order, repeat passes

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