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2 Answers

2 votes
2 votes
(As clearly mentioned using 4:1 , that means we have not to use any other MUX of some other type...)

Ans :- Two 4:1 MUX wil be used at first level , each of which can take 4 input  (i.e  8 input are covered) and give 1 output each. so now we have to cover two input. since we have no other type of MUX . so we will use one 4:1 MUX (which will produce final output.)

Hence total 3 MUX will be required.

 

NOTE:- MUX at last level (i.e which will be producing the output) will not be used at its full capacity...
1 votes
1 votes
Two 4:1 mux and one 2:1 mux will do the task

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