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Digital ElectronicsArithmetic Circuits

For a full-adder bit position, the carry-generate term Gi is commonly defined as?

  • AAi + Bi
  • BAiBi
  • CAi ⊕ Bi
  • DA̅iBi
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Correct Answer: B. AiBi
Explanation: A carry is generated by the bit position regardless of carry-in when both Ai and Bi are 1, hence Gi = AiBi.
Reference: Standard digital electronics: carry generate and propagate
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