Computer Sciences > GATE 2024 SET-1 > Digital Logic Circuits
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.
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
Correct : 4
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