How many NOT gates are required for the construction of a 4-to-1 multiplexer?

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Mr. Dubey

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📊 Digital Principles and System Design

Q. How many NOT gates are required for the construction of a 4-to-1 multiplexer?

(A) 3
(B) 4
(C) 2
(D) 5

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✅ Correct Answer: (C) 2

Explanation: there are two not gates required for the construction of 4-to-1 multiplexer. x0, x1, x2 and x3 are the inputs and c1 and c0 are the select lines and m is the output.

Explanation by: Mr. Dubey

there are two not gates required for the construction of 4-to-1 multiplexer. x0, x1, x2 and x3 are the inputs and c1 and c0 are the select lines and m is the output.

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