A 4×1 multiplexer is used to realize a boolean function f(A, B, C) = Σ(0, 1, 3, 5, 7). B is taken as MSB and it is used as an input to the multiplexer. If the select line get supply from input A and C(Here A is MSB and C is LSB) then determine the input sequence Of input B?
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(A) B\’, B, B\’ , B
(B) B, B\’, B, B\’
(C) 1, 0,1, 0
(D) B\’ , 1, 0, 1


Answer: (D)

Explanation: The given multiplexer is:
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The input B can be determined as follows:\"\"
The input sequence will be B\’, 1, 0, 1
So, option (D) is correct.

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  • Last Updated : 28 Nov, 2018

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