Note AcademyNote Academy
Start

Computer Science · Oct / Nov 2022 · Paper 21 · Question 3

0478

As printed in the paper

Show the answer and mark scheme

  • 3(a)[6]

    Two marks per check, description must match name of check if given, max six

    Check 1 use a type check

    o

    to ensure that the value is a number / integer

    Check 2 use a length check

    o

    to ensure that there are only 4 characters / digits

    Check 3 use a range check

    o

    to ensure that the value is >= 1000 and <=9999

  • 3(b)[3]

    One mark per mark point, max three

    MP1

    input the new PIN

    MP2

    input the new PIN again // ask the user to check the number on screen

    MP3

    check that both PINs are the same // confirm that it is the PIN to use

    MP4

    check that the new PIN is not the same as the old PIN

Practise this paper →

Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.