EC > GATE 2016 SET-2 > Combinational Circuits
A 4:1 multiplexer is to be used for generating the output carry of a full adder. A and B are the bits to be added while Cin is the input carry and Cout is the output carry. A and B are to be used as the select bits with A being the more significant select bit.
Which one of the following statements correctly describes the choice of signals to be connected to the inputs I0, I1, I2 and I3 so that the output is Cout?
A
I0=0, I1=Cin, I2=Cin and I3=1
B
I0=1, I1=Cin, I2=Cin and I3=1
C
I0=Cin, I1=0, I2=1 and I3=Cin
D
I0=0, I1=Cin, I2=1 and I3=Cin

Correct : a

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