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1’s complement can be easily obtained by using _________(a) Comparator(b) Inverter(c) Adder(d) SubtractorI got this question in an interview for internship.My enquiry is from 1’s, 2’s, 9’s & 10’s Complements topic in chapter Number System and Codes of Digital Circuits

Answer»

Right option is (B) Inverter

The BEST EXPLANATION: With the help of inverter the 1’s complement is easily OBTAINED. Since, during the operation of 1’s complement 1 is converted into 0 and vice-versa and this is well suited for the inverter.



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