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Computer Science: Systems Architecture
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ptsean_76989
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  • Slide 1
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    Computer Science: Systems Architecture

    Take your time and answer correctly, scores will be recorded and points awarded to all who achieve 100%


    You need to know the answers of these questions as they are likely to appear in your GCSE exam

  • Question 2
    60 seconds
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    Q.

    What does CPU stand for?

    answer choices

    Central Processing Unit

    Computer Processing Unit

    Computer Picking Unit

    Central Processing UNIX

  • Question 3
    60 seconds
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    Q.

    Fill in the end of this sentence:


    The CPU fetches instructions from "______"

    answer
    Memory
    alternatives
    Cache
    RAM
    Internal Memory
  • Question 4
    60 seconds
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    Q.

    Which of the these in NOT a measurement of CPU speed?

    answer choices

    Hertz (Hz)

    AhhitHertz (AiHz)

    MegaHertz (MHz)

    GigaHertz (GHz)

  • Question 5
    60 seconds
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    Q.

    In the fetch - decode - execute cycle, which part is carried out in the control unit (CU)?

    answer choices

    Fetch

    Decode

    Execute

  • Question 6
    60 seconds
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    Q.

    Fill in the missing word:


    The higher the number of cores in a CPU helps the computer to better "_________"

    answer
    multitask
    alternatives
    multi task
    carry out more tasks in parallel
    split tasks
  • Question 7
    60 seconds
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    Q.

    What are the advantages of cache memory

    answer choices

    Runs at CPU speed

    Keeps frequently used instructions to use again quickly

    Reduces the number of times the CPU has to access the RAM

    Cache is very cheap compared to RAM

  • Question 8
    60 seconds
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    Q.

    Which CPU component carries out all of the calculations?

    answer choices

    Control Unit (CU)

    Arithmetic Logic Unit (ALU)

    Registers

  • Question 9
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    Q.

    What CPU register stores the address of the location in memory we want to read or write to?

    answer
    Memory Address Register
    alternatives
    MAR
  • Question 10
    60 seconds
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    Q.

    What are advantages of "Embedded Systems"?

    answer choices

    Usually small which means cheap to manufacture

    Very reliable

    Will be perfectly suited/customised for the particular purpose it’s made for

    Can be used in safety critical environments so must be heavily tested

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