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    Computer Science GCSE

    Decomposition

    What Decomposition means in Computer Science GCSE, as defined for AQA, Pearson Edexcel.

    Definitions of Decomposition

    Exam boards and our study guides word this term in slightly different ways. Learn the version your board uses.

    Breaking down a large, complex problem into smaller, more manageable sub-problems.
    Pearson Edexcel · Decomposition and abstraction (study guide)
    Breaking down a complex problem or system into smaller, more manageable parts.
    Pearson Edexcel · Topic 1: Computational thinking (study guide)
    Breaking a complex problem down into smaller, more manageable sub-problems.
    Pearson Edexcel · Topic 6: Problem solving with programming (study guide)
    Breaking down a complex problem into smaller, more manageable sub-problems.
    AQA · Fundamentals of algorithms (study guide)

    Topics that use Decomposition

    Related terms

    Using Decomposition in the exam

    Definition questions usually carry one or two marks, and examiners look for the precise wording. Write the definition from memory, check it against the version above, and then use the term in a longer answer on the same topic so it sticks.

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    All Computer Science GCSE terms