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Digital ElectronicsMultiplexers & Demultiplexers

An 8-to-1 multiplexer can directly implement a Boolean function of three variables by connecting the variables primarily to its?

  • AData outputs
  • BSelect inputs
  • CPower pins
  • DEnable output only
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Correct Answer: B. Select inputs
Explanation: Three variables provide 2^3 = 8 combinations, so they can drive the three select inputs while the data inputs are set according to the function truth table.
Reference: Standard digital electronics: implementing logic with multiplexers
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