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Digital ElectronicsBoolean Minimization

A combinational circuit has F(A,B,C)=Σm(1,3,5,7). Which simplified expression represents F?

  • AA
  • BB
  • CC
  • DA + B
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Correct Answer: C. C
Explanation: Minterms 1, 3, 5, and 7 are exactly the input combinations for which C=1, independent of A and B. Therefore F=C.
Reference: Standard digital electronics: Boolean minimization
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