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Digital ElectronicsCombinational Circuits

For a full adder with A = 1, B = 1 and Cin = 1, the Sum and Carry-out are?

  • A0 and 0
  • B0 and 1
  • C1 and 0
  • D1 and 1
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Correct Answer: D. 1 and 1
Explanation: 1 + 1 + 1 = binary 11, so Sum = 1 and Carry-out = 1.
Reference: Standard digital electronics: full adder
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