Exam-style question
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Which Boolean expression represents a NAND gate with inputs A and B?.
- A.A AND B
- B.A OR B
- C.NOT (A AND B)
- D.NOT (A OR B)
Model answer
What a good answer should say
- NOT (A AND B)
Explanation
Why this works
Definition of NAND gate -> Y = NOT (A AND B) -> The Boolean expression for a NAND gate is NOT (A AND B).
Common mistake
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