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Digital Electronics - Combinational Logic Circuits - Discussion

Discussion Forum : Combinational Logic Circuits - Filling the Blanks (Q.No. 27)
Combinational Logic Circuits
27.
Two 4-bit comparators are cascaded to form an 8-bit comparator. The cascading inputs of the most significant 4 bits should be connected ________.
to the outputs from the least significant 4-bit comparator
to the cascading inputs of the least significant 4-bit comparator
A = B to a logic high, A < b and a > B to a logic low
ground
Answer: Option
Explanation:
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