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Computer Science · Oct / Nov 2023 · Paper 21 · Question 5

0478

As printed in the paper

The question as text

The first stage of the program development life cycle is analysis. Two of the tasks in analysis are abstraction and decomposition.

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Show the answer and mark scheme

  • 5(a)[2]

    One mark for each point (max two)

    simplifying the problem
    removing unnecessary details from the problem // selecting elements required
    filtering out irrelevant characteristics from those elements

  • 5(b)[3]

    One mark for each point (max three)

    inputs
    processes
    outputs
    storage

  • 5(c)[2]

    One mark for stage, one mark for matching description (max two)

    design (1) details of solution set out (1)
    coding (1) program is developed (1)
    testing (1) program is tested for errors (1)
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