Q.

If A, B and C are the inputs of a full adder then the carry is given by                      

A. a and b or (a or b) and c
B. a or b or (a and b) c
C. (a and b) or (a and b)c
D. a xor b xor (a xor b) and c
Answer» A. a and b or (a or b) and c
Explanation: if a, b and c are the inputs of a full adder then the carry is given by a and b or (a or
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