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Architecture of the CPU: OCR GCSE Computer Science questions

Every OCR GCSE Computer Science exam question on 1.1.1 Architecture of the CPU, 2022–2025, with its mark scheme and examiner’s report.

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Calculations

282 questions

  1. Q6(c)

    June 2025 · Paper 1

    The whole paper ↗
  2. Q6(a)

    June 2024 · Paper 1

    The whole paper ↗
  3. Q6(b)

    June 2024 · Paper 1

    The whole paper ↗
  4. Q2

    June 2022 · Paper 1

    The whole paper ↗
  5. Q1(d)

    Specimen · Paper 1

    The whole paper ↗
All 5 questions on Architecture of the CPU, as a list
  1. June 2025, Paper 1, Q6(c) (2 marks): The computer’s CPU contains registers. Complete the table by identifying two registers and state the purpose of each register. Register Purpose [2]
  2. June 2024, Paper 1, Q6(a) (2 marks): Describe what happens during the fetch-execute cycle. [2]
  3. June 2024, Paper 1, Q6(b) (4 marks): Complete the table by writing the name of two registers used in the fetch-execute cycle and the purpose of each register. Register Purpose [4]
  4. June 2022, Paper 1, Q2 (4 marks): Complete the table by writing the missing definition or name of each of the common CPU components and registers. CPU component or register Definition Stores the
  5. Specimen, Paper 1, Q1(d) (2 marks): Identify two events that take place during the fetch-execute cycle. 1 ………………………………………………………………………………………………………………. ………………………………………………………………………………………………………………… 2

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