Computer Science · May / June 2023 · Paper 22 · Question 8
0478
As printed in the paper
The question as text
Consider this logic expression. X = (A OR B) AND (NOT B AND C) Complete the truth table for this logic expression. A B C Working space X 0 0 0 0 0 1 0 1 0 0 1 1 1 0 0 1 0 1 1 1 0 1 1 1 [4]
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
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
A
B
C
X
0
0
0
0
0
0
1
0
0
1
0
0
0
1
1
0
1
0
0
0
1
0
1
1
1
1
0
0
1
1
1
0
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