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Computer Science · May / June 2020 · Paper 12 · Question 8

0478

As printed in the paper

The question as text

Leonard has a new laser printer to print letters for his business. Leonard connects his printer to his computer using the USB port.

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

Show the answer and mark scheme

  • 8(a)[3]

    Any three from:

    It is a universal standard
    It can’t be inserted the wrong way around
    Supports different transmission speeds
    Automatically detects if correct driver installed

  • 8(b)[3]

    Two marks for benefits, one mark for drawback

    Benefits:

    Faster speed of printing
    Can print duplex / on both sides
    Many letters can be printed from one toner cartridge
    Can print in high volumes

    Drawback

    Toner cartridge more expensive to buy
    More time to warm-up
    Larger footprint

  • 8(c)(i)[2]

    Any two from:

    Paper jam
    Out of paper
    Out of toner/ink
    Buffer full
    Awaiting input
    Print complete
    Printer ready

    Award any other valid example

  • 8(c)(ii)[1]

    Any one from:

    Operating system
    Interrupt handler
    Interrupt service routine
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