Exam-style question
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Given a truth table where Y is 1 when A is 0 and B is 1, or when A is 1 and B is 0, what is the Boolean expression?.
- A.A XOR B
- B.A AND B
- C.A OR B
- D.NOT (A XOR B)
Model answer
What a good answer should say
- A XOR B
Explanation
Why this works
Definition of XOR -> Y = A XOR B = A B' + A' B -> The Boolean expression for exclusive OR is A XOR B.
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