0 votes 0 votes In computers, subtraction is generally carried out by $9$’s complement $1$’s complement $10$’s complement $2$’s complement Digital Logic ugcnetcse-dec2018-paper2 digital-logic + – Arjun asked Jan 2, 2019 • recategorized Jun 23, 2022 by Arjun Arjun 6.5k views answer comment Share Follow See all 3 Comments See all 3 3 Comments reply Peeyush Pandey commented Jan 2, 2019 reply Follow Share @Arjun sir I think option d is true because in computers we use binary numbers and in binary numbers 2's complement is used for subtraction. 0 votes 0 votes Arjun commented Jan 2, 2019 reply Follow Share Yes, though the option is incomplete. It should have been addition with 2's complement. 1 votes 1 votes Nbhardwaj commented May 14, 2020 reply Follow Share Subtraction is generally carried out by 2 s complement Option d is correct 0 votes 0 votes Please log in or register to add a comment.
0 votes 0 votes In computer we use binary numbers and subtraction can be performed by addition with 2's complement as Arjun sir stated. So the correct answer is D https://en.wikipedia.org/wiki/Method_of_complements Peeyush Pandey answered Jan 2, 2019 Peeyush Pandey comment Share Follow See all 0 reply Please log in or register to add a comment.