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In 1-to-4 multiplexer, if C1 = 0 & C2 = 1, then the output will be ___________

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In 1-to-4 multiplexer, if C1 = 0 & C2 = 1, then the output will be ___________

(a) Y0

(b) Y1

(c) Y2

(d) Y3

The question was posed to me in a job interview.

Enquiry is from Demultiplexers (Data Distributors) in portion Combinational Circuits of Digital Circuits

1 Answer

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Best answer
Correct answer is (b) Y1

Best explanation: It can be calculated from the figure shown below:

For C0 =1 and C1 =0, Y1 will be the output as 0 and 1 are the bit combinations of 1.

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