O-LevelComputer ScienceBoolean logic2210/22 · May/June 2023 · Q84 Marks
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
- 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]
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Mark scheme
Marking points from the official mark scheme (May/June 2023). The mark or mark type is shown in brackets.
- [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 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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