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Code Converters and Multiplexers

Q1:

What is the status of the inputs S0, S1, and S2 of the 74151 eight-line multiplexer in order for the output Y to be a copy of input I5?

A S0 = 0, S1 = 1, S2 = 0

B S0 = 0, S1 = 0, S2 = 1

C S0 = 1, S1 = 1, S2 = 0

D S0 = 1, S1 = 0, S2 = 1

ANS:D - S0 = 1, S1 = 0, S2 = 1

Here s0, s1, s2 are satus line for 8*1 multiplexer and for copy of I5 input s0s1s2 = 101 binary equivalent of 5 so D is the right answer.



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