Exam-style question
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Which logic gate is represented by the symbol with a curved surface and a flat output line?.
- A.AND gate
- B.OR gate
- C.NOT gate
- D.XOR gate
Model answer
What a good answer should say
- AND gate
Explanation
Why this works
Rule: The AND gate symbol consists of two input lines converging to a curved surface and a flat output line. Substitution: Symbol has two inputs and a curved surface.
Working: The curved surface indicates that the output is high only when both inputs are high. Answer: AND gate.
Conclusion: This symbol represents an AND gate.
Common mistake
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