Computer Science · Oct / Nov 2024 · Paper 21 · Question 7
0478
As printed in the paper
The question as text
Consider the logic circuit: X W Y Z
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
7(a)[3]
One mark for each point
NOT XY XOR Zexpression correct: NOT X OR (Y XOR Z) // (Y XOR Z) OR NOT X7(b)[4]
4 marks for 8 correct outputs
3 marks for 6/7 correct outputs
2 marks for 4/5 correct outputs
1 mark for 2/3 correct outputs
X
Y
Z
W
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0
0
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0
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