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Internal hardware components of a computer: AQA A‑Level Computer Science questions

Every AQA A-Level Computer Science exam question on 4.7.1 Internal hardware components of a computer, 2020–2025, with its mark scheme and examiner’s report.

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561 questions

  1. Q03.1

    June 2024 · Paper 2

    1 mark4.7.1 Internal hardware components of a computer
    The whole paper ↗
    June 2024 Paper 2, question 03.1: State the name of the bus labelled X in Figure 1. [1 mark]

  2. Q03.4

    June 2024 · Paper 2

    2 marks4.7.1 Internal hardware components of a computer
    The whole paper ↗
    June 2024 Paper 2, question 03.4: The USB interface inside the computer is an example of an I/O controller. Describe the role of an I/O controller. [2 marks]

  3. Q03.5

    June 2024 · Paper 2

    2 marks4.7.1 Internal hardware components of a computer4.5.3 Units of information
    The whole paper ↗
    June 2024 Paper 2, question 03.5: The computer’s address bus uses 36 wires/lines and each main memory location can hold a 16-bit data value. In gibibytes, express the maximum amount of main memo

  4. Q03.6

    June 2024 · Paper 2

    1 mark4.7.1 Internal hardware components of a computer
    The whole paper ↗
    June 2024 Paper 2, question 03.6: State an example of how the control bus is used when the processor stores data into main memory. [1 mark]

  5. Q08.2

    June 2022 · AS Paper 2

    2 marks4.7.1 Internal hardware components of a computer
    The whole paper ↗
    June 2022 AS Paper 2, question 08.2: Describe the role of main memory in the execution of computer programs. [2 marks]

  6. Q08.5

    June 2022 · AS Paper 2

    2 marks4.7.1 Internal hardware components of a computer
    The whole paper ↗
    June 2022 AS Paper 2, question 08.5: Identify the bus that would need to be changed and state the change needed so that the maximum amount of memory addressable by the processor would be doubled. [

  7. Q03.1

    November 2020 · Paper 2

    2 marks4.7.1 Internal hardware components of a computer
    The whole paper ↗
    November 2020 Paper 2, question 03.1: Figure 1 shows how some of the components inside a computer are connected together. The computer uses the von Neumann architecture. Some of the names of compone

  8. Q03.3

    November 2020 · Paper 2

    2 marks4.7.1 Internal hardware components of a computer
    The whole paper ↗
    November 2020 Paper 2, question 03.3: A tablet computer uses the Harvard architecture. Describe two advantages of using the Harvard architecture compared to the von Neumann architecture. [2 marks] A

  9. Q06.3

    November 2020 · AS Paper 2

    2 marks4.7.1 Internal hardware components of a computer
    The whole paper ↗
    November 2020 AS Paper 2, question 06.3: Some buses in a computer system have to be bidirectional, meaning data or instructions can travel both ways. Explain why the data bus in a computer system must

  10. Q06.4

    November 2020 · AS Paper 2

    2 marks4.7.1 Internal hardware components of a computer
    The whole paper ↗
    November 2020 AS Paper 2, question 06.4: State two differences between how the Harvard and von Neumann architectures operate. [2 marks] Difference 1 Difference 2
All 10 questions on Internal hardware components of a computer, as a list
  1. June 2024, Paper 2, Q03.1 (1 mark): State the name of the bus labelled X in Figure 1. [1 mark]
  2. June 2024, Paper 2, Q03.4 (2 marks): The USB interface inside the computer is an example of an I/O controller. Describe the role of an I/O controller. [2 marks]
  3. June 2024, Paper 2, Q03.5 (2 marks): The computer’s address bus uses 36 wires/lines and each main memory location can hold a 16-bit data value. In gibibytes, express the maximum amount of main memo
  4. June 2024, Paper 2, Q03.6 (1 mark): State an example of how the control bus is used when the processor stores data into main memory. [1 mark]
  5. June 2022, AS Paper 2, Q08.2 (2 marks): Describe the role of main memory in the execution of computer programs. [2 marks]
  6. June 2022, AS Paper 2, Q08.5 (2 marks): Identify the bus that would need to be changed and state the change needed so that the maximum amount of memory addressable by the processor would be doubled. [
  7. November 2020, Paper 2, Q03.1 (2 marks): Figure 1 shows how some of the components inside a computer are connected together. The computer uses the von Neumann architecture. Some of the names of compone
  8. November 2020, Paper 2, Q03.3 (2 marks): A tablet computer uses the Harvard architecture. Describe two advantages of using the Harvard architecture compared to the von Neumann architecture. [2 marks] A
  9. November 2020, AS Paper 2, Q06.3 (2 marks): Some buses in a computer system have to be bidirectional, meaning data or instructions can travel both ways. Explain why the data bus in a computer system must
  10. November 2020, AS Paper 2, Q06.4 (2 marks): State two differences between how the Harvard and von Neumann architectures operate. [2 marks] Difference 1 Difference 2

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