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Computer Science · May / June 2024 · Paper 21 · Question 7

0478

As printed in the paper

Show the answer and mark scheme

  • 7(a)[2]

    One mark per mark point, max two

    Data stored in a file gives a permanent copy / prevents the data from being lost
    … so it can be recalled / used again in a program / in another program
    can be stored elsewhere / transferred to another computer

  • 7(b)[4]

    One mark per mark point, max four

    MP1

    Declaration of a string variable

    MP2

    Correct use of OPENFILE keywords for reading

    MP3

    Correct use READFILE with string variable

    MP4

    Correct use of UCASE and LENGTH functions and output of each

    MP5

    Correct use of CLOSEFILE

    Example:

    DECLARE Words : STRING

    OPENFILE Quotation.txt FOR READ

    READFILE Quotation.txt, Words

    OUTPUT UCASE(Words), LENGTH(Words)

    CLOSEFILE Quotation.txt

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