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Computer Science · Oct / Nov 2023 · Paper 11 · Question 1

0478

As printed in the paper

The question as text

A student uses a computer and several hardware devices to complete his schoolwork. The computer has a central processing unit (CPU).

Read automatically from the paper; the printed page above is exact.

Show the answer and mark scheme

  • 1(a)[1]

    A

  • 1(b)[1]

    C

  • 1(c)[1]

    Control unit

  • 1(d)[2]

    Any two from:

    (The CPU completes) 2.4 billion
    … cycles/clock pulses per second

  • 1(e)(i)[2]

    Any two from:

    Stores data …
    … that has been fetched/to be written to memory

  • 1(e)(ii)[3]

    Any three from:

    Memory address register // MAR
    Program counter // PC
    Current instruction register // CIR
    Accumulator // ACC
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