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Computer Science · May / June 2022 · Paper 11 · Question 4

0478

As printed in the paper

The question as text

All data needs to be converted to binary data so that it can be processed by a computer.

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

Show the answer and mark scheme
  • 4(a)[2]

    Computer consist of transistors / logic circuits/gates …
    … that can only store/process data in two states / high-low / on-off / 1 and 0
  • 4(b)[3]

    01000000
    01100101
    11110010
  • 4(c)[4]

    0100 (1 mark) 0010 (1 mark)
    1100 (1 mark) 1110 (1 mark)

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