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Digital ElectronicsCombinational Circuits

A half adder adds?

  • ATwo single-bit binary inputs
  • BThree single-bit binary inputs
  • CTwo 4-bit numbers only
  • DOne binary input and one decimal input
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Correct Answer: A. Two single-bit binary inputs
Explanation: A half adder adds two one-bit inputs and produces Sum and Carry outputs.
Reference: Half-adder fundamentals
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