0 0 votes I told that In digital computers, complements are used for simplifying subtraction operation and logical manipulation. Give an example of logical manipulation where complements are used Digital Logic interview digital-logic + – sh!va 1.4k views answer comment Share Follow Print See all 3 Comments 3 3 Comments reply RAJESHWAR YADAV commented Dec 28, 2016 reply Follow flag 2's complement substraction 0 0 replyShare sh!va commented Dec 28, 2016 reply Follow flag Subtraction is an arithmetic operation. What is an example for logical operation done by complement? 0 0 replyShare Rishabh Gupta 2 commented Oct 16, 2017 reply Follow flag a comparison is also done by subtraction. And subtraction by 2's complement. So, overall comparison requires complement 0 0 replyShare Please log in or register to add a comment.