1.

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» B. to the cascading inputs of the least significant 4-bit comparator


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