Digital Logic - GATE Practice Questions

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Multiple Choice

Consider the circuit shown below. The output of a 2:1 Mux is given by the function (ac' + bc).

Which of the following is true?

  1. f = x1' + x2
  2. f = x1'x2 + x1x2'
  3. f = x1x2 + x1'x2'
  4. f = x1 + x2
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