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Exam Tips

Part of Iteration (Loops) — GCSE Computer Science

This study notes covers Exam Tips within Iteration (Loops) for GCSE Computer Science. Revise Iteration (Loops) in Programming for GCSE Computer Science with 15 exam-style questions and 8 flashcards. This is a high-frequency topic, so it is worth revising until the explanation feels precise and repeatable. It is section 7 of 7 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 7 of 7

Practice

15 questions

Recall

8 flashcards

Exam Tips

  • FOR vs WHILE: FOR when you know iterations, WHILE when you don't
  • Infinite loops: WHILE condition must eventually become false!
  • Common mistake: Off-by-one errors (1 to 10 vs 0 to 9)

Keep building this topic

Read this section alongside the surrounding pages in Iteration (Loops). That gives you the full topic sequence instead of a single isolated revision point.

Memory TrickVideo LessonRepeating Actions

Practice Questions for Iteration (Loops)

Which type of loop is best used when you know exactly how many times the loop should repeat?

  • A. WHILE loop
  • B. FOR loop
  • C. REPEAT-UNTIL loop
  • D. IF statement
1 markfoundation

Explain what an infinite loop is, state one cause of an infinite loop, and describe one consequence of running an infinite loop in a program.

3 marksstandard

Quick Recall Flashcards

What is iteration?
Repeating a set of instructions
When use a FOR loop?
When you know how many times to repeat

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