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GATE | CSE 2024 | Question 16

Consider a digital logic circuit consisting of three 2-to-1 multiplexers M1, M2, and M3 as shown below. X1 and X2 are inputs of M1. X3 and X4 are inputs of M2. A, B, and C are select lines of M1, M2, and M3, respectively. 

[caption width="800"] [/caption]

For an instance of inputs X1=1, X2=1, X3=0, and X4=0, the number of combinations of A, B, C that give the output Y=1 is

(A)

4

(B)

2

(C)

8

(D)

10

Answer

Please comment below if you find anything wrong in the above post
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