Combinational Circuits – 42

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42. Two 4-bit binary numbers (1011 and 1111) are applied to a 4-bit parallel adder. The carry input is 1. What are the values for the sum and carry output?

(a) 4321 = 0111, Cout = 0
(b) 4321 = 1111, Cout = 1
(c) 4321 = 1011, Cout = 1
(d) 4321 = 1100, Cout = 1

Answer
Answer : (c)
Explanation
Explanation : No answer description available for this question. Let us discuss.
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