1.

On addition of 28 and 18 using 2’s complement, we get ____________(a) 00101110(b) 0101110(c) 00101111(d) 1001111This question was addressed to me during an online interview.This intriguing question comes from 1’s, 2’s, 9’s & 10’s Complements topic in division Number System and Codes of Digital Circuits

Answer»

Correct choice is (b) 0101110

Easiest explanation: STEPS for Binary Addition Using 2’s complement:

-> The binary EQUIVALENT of the two numbers are OBTAINED and ADDED using the rules of binary addition.



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