[Solved] Two 4-bit comparators are cascaded to form an 8-bit comparator. The cascading inputs of the most significant 4 bits should be connected .

Computer Science Engineering (CSE)
Digital Electronics and Logic Design
Two 4-bit comparators are cascaded to fo...

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
Answer» A. to the outputs from the least significant 4- bit comparator

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