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Computer Science · May / June 2025 · Paper 11 · Question 7

0478

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The question as text

A student’s computer has primary storage. One example of primary storage is random access memory (RAM).

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  • 7(a)[1]

    Any one from:

    Read only memory // ROM
    Cache

  • 7(b)[3]

    Any three from:

    RAM is directly accessed by the CPU.
    … whereas secondary storage is not directly accessed by the CPU.
    All secondary storage is non-volatile storage.
    … whereas RAM is volatile storage.

  • 7(c)[3]

    Any three from:

    Virtual memory can act as an extension to the RAM .
    The secondary storage device is partitioned to create the virtual memory.
    Pages can be transferred from the RAM to the virtual memory …
    … to stop the RAM getting full // … when the RAM is full.

  • 7(d)(i)[2]

    Any two from:

    It has no moving parts.
    It uses semiconductor chips.
    It uses NAND/NOR/Flip-flops technology.
    It uses cells and transistors (that are laid out in a grid).
    It uses control gates and floating gates.
    Stores data as electrical charges.

  • 7(d)(ii)[2]

    Any two from:

    Solid-state drive // SSD
    USB flash memory drive
    SD card
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