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Computer Science · May / June 2024 · Paper 12 · Question 9

0478

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A company uses both solid-state and optical secondary storage.

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  • 9(a)[2]

    Any two from:

    To store data/files permanently
    … otherwise, data/programs would need to be downloaded/entered/installed every time the computer was used
    To allow software to be installed on the computer
    For the creation of virtual memory

  • 9(b)[6]

    Any six from (Max 3 for one type only):

    Solid-state has no moving parts
    … optical does have moving parts
    Solid-state is faster to access data
    … optical is slower to access data
    Solid-state uses less power to operate
    … optical uses more power to operate
    Solid-state runs quietly
    … optical makes more noise
    Solid state is more durable/robust
    … optical is less durable/robust
    Solid state storage has a large storage capacity
    … optical has a much smaller limit to its storage capacity
    Solid-state is more expensive per GB of data
    … optical is cheaper per GB of data
    Solid-state stores data onto silicon chips/transistors using logic (floating/control/NAND/NOR) gates to control the movement of electrons
    … optical stores data by using lasers to burning pits and lands onto a disk
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