Q. How many inputs and outputs does a full adder have?

A
2 inputs and 2 outputs
B
2 inputs and 1 output
C
3 inputs and 2 outputs
D
2 inputs and 3 outputs
Solution:

FULL ADDER consist of inputs A,B & Cin
i.e. Three inputs ( 2 binary numbers and a CARRY IN ).
Output comprises of SUM and CARRY OUT.
Therefore 3 inputs and 2 outputs .

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