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Mr. Dubey • 100.69K Points
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Q. Two 4-bit comparators are cascaded to form an 8-bit comparator. The cascading inputs of the most significant 4 bits should be connected .

  • (A) to the outputs from the least significant 4- bit comparator
  • (B) to the cascading inputs of the least significant 4- bit comparator
  • (C) a = b to a logic high, a < b and a > b to a logic low
  • (D) ground
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