Identify the circuit shown in the figure: what type of logic gate does it represent under the given logic convention?
Electronics and Communication Engineering
Digital Electronics
Difficulty: Medium
Choose an option
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Apositive logic OR gate
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Bnegative logic OR gate
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Cnegative logic AND gate
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Dpositive logic AND gate
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EExclusive-OR gate
Answer
Correct Answer: negative logic AND gate
Explanation
Introduction:Logic conventions (positive vs. negative logic) change the interpretation of the same hardware symbol. Recognizing which gate is realized is key in digital design.
Concept:
A circuit that looks like an OR under positive logic behaves as an AND under negative logic. This is due to De Morgan’s theorem.
Final Answer:
negative logic AND gate