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Variables, constants and data structures in algorithms: Edexcel GCSE Computer Science questions

Every Edexcel GCSE Computer Science exam question on 1.2.2 Variables, constants and data structures in algorithms, 2022–2025, with its mark scheme and examiner’s report.

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210 questions

  1. Q5(b)(i)

    June 2025 · Paper 1

    2 marks1.2.2 Variables, constants and data structures in algorithms
    The whole paper ↗

  2. Q4(b)

    June 2023 · Paper 1

    2 marks1.2.2 Variables, constants and data structures in algorithms
    The whole paper ↗

  3. Q5(a)(i)

    June 2022 · Paper 1

    1 mark1.2.2 Variables, constants and data structures in algorithms
    The whole paper ↗

  4. Q5(a)(ii)

    June 2022 · Paper 1

    1 mark1.2.2 Variables, constants and data structures in algorithms
    The whole paper ↗

  5. Q5(c)

    Specimen · Paper 1

    2 marks1.2.2 Variables, constants and data structures in algorithms
    The whole paper ↗
All 5 questions on Variables, constants and data structures in algorithms, as a list
  1. June 2025, Paper 1, Q5(b)(i) (2 marks): The data structure salesData is shown as a table of records, with fields in each record. Complete the table with the line number for each traversal. (2) Line nu
  2. June 2023, Paper 1, Q4(b) (2 marks): Algorithms use arrays and records to hold data. Describe a record. (2)
  3. June 2022, Paper 1, Q5(a)(i) (1 mark): State the type of data structure used to hold the ink colours. (1)
  4. June 2022, Paper 1, Q5(a)(ii) (1 mark): Give the contents of inkColours[2] (1)
  5. Specimen, Paper 1, Q5(c) (2 marks): Programmers can use all capitals to show that a value is a constant. A constant is shown here on line 3. Explain one reason why programmers use signals indicati

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