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The purpose of a Digital Comparator is ____________(a) To convert analog input into digital(b) To create different outputs(c) To add a set of different numbers(d) To compare a set of variables or unknown numbersI got this question in unit test.Enquiry is from Magnitude Comparator in chapter Combinational Circuits of Digital Circuits

Answer»

The correct option is (d) To compare a set of variables or unknown NUMBERS

The 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. The PURPOSE of a Digital Comparator is to compare a set of variables or unknown numbers, for example A (A1, A2, A3, …. An, etc) against that of a constant or unknown value such as B (B1, B2, B3, …. Bn, etc) and produce an output condition or flag depending upon the result of the comparison.



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