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HomeEdexcel GCSE Computer ScienceComputational Thinking and Algorithms
Edexcel · GCSE · Computer Science · Revision Notes

Computational Thinking and Algorithms

66 words · Last updated July 2026

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What you'll learn

How to break down problems and design algorithms.

Key ideas

  • Decomposition and abstraction.
  • Representing algorithms with flowcharts and pseudocode.
  • Searches: linear and binary; sorts: bubble, merge.

Exam tips

  • Remember binary search needs an ordered list.
  • Trace algorithms step by step.

Common mistakes

  • Confusing decomposition and abstraction.
  • Using binary search on unsorted data.
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