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?

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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: Option C

Explanation:

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