Exam-style question
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A NOT gate receives an input of 0. What is its output?.
- A.0
- B.1
- C.The output alternates between 0 and 1
- D.The output cannot be determined
Model answer
What a good answer should say
- 1
Explanation
Why this works
A NOT gate reverses its single input, so NOT 0 = 1.
Common mistake
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