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How many inputs are required for a digital comparator?(a) 1(b) 2(c) 3(d) 4This question was addressed to me in exam.My question is based upon Magnitude Comparator in chapter Combinational Circuits of Digital Circuits

Answer»

Right option is (a) 1

For explanation I would say: 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. Thus, there are two INPUTS required for a DIGITAL comparator (i.e. A & B).



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