Q.

All the comparisons made by comparator is done using                          

A. 1 circuit
B. 2 circuits
C. 3 circuits
D. 4 circuits
Answer» A. 1 circuit
Explanation: a comparator is a combinational circuit that takes two numbers as input in binary form and results whether one input is greater, lesser or equal to the other input. because, all the input is compared to each other, therefore it is possible only by using 1 circuit.
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