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Computer Science · May / June 2016 · Paper 12 · Question 9

2210

As printed in the paper

The question as text

In the following barcode, each binary number is made up of seven bars. Each bar is black or grey. A black bar is interpreted as a “1” and a grey bar is interpreted as a “0”.

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

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

    Binary number A: 1 1 1 0 0 1 0 Binary number B: 1 0 0 1 1 1 0 [2]

  • 9(b)[2]

    Parity Bit Binary number A 1 Binary number B 1 [2]

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