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Question 25.SG.Q.4: The minimum number of 2-to-1 multiplexers required to realiz......

The minimum number of 2-to-1 multiplexers required to realize a 4-to-1 multiplexer is

(a) 1     (b) 2

(c) 3     (d) 4

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Two 2-to-1 multiplexers are required at the input and one 2-to-1 multiplexer is required at the output.

Ans. (c)

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