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