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21 votes
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Identify the logic function performed by the circuit shown in figure.

 

  1. exclusive OR
  2. exclusive NOR
  3. NAND
  4. NOR
  5. None of the above
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$(x+x'y') .(y+x'y') = (x+y')(x'+y) = xy + x'y' = \text{Exclusive-NOR}$
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