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One that is not the outcome of magnitude comparator is ____________(a) a > b(b) a – b(c) a < b(d) a = bI got this question by my school principal while I was bunking the class.The origin of the question is Magnitude Comparator in chapter Combinational Circuits of Digital Circuits

Answer»

The correct answer is (b) a – b

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. In a digital comparator, only 3 outputs are possible (i.e. A = B, A > B, A < B). So, a – b is an INCORRECT option.



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