Exam-style question
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Which gate is represented by a symbol with a flat input line and a curved output line?.
- A.NOT gate
- B.NAND gate
- C.NOR gate
- D.XNOR gate
Model answer
What a good answer should say
- NOT gate
Explanation
Why this works
Rule: The NOT gate symbol is a triangle with a flat input line and a curved output line. Substitution: Symbol has one input and a curved output.
Working: The curved output indicates inversion of the input. Answer: NOT gate.
Conclusion: This symbol represents a NOT gate.
Common mistake
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