0 votes 0 votes .... Digital Logic digital-logic digital-circuits multiplexer + – Gurdeep Saini asked Nov 19, 2018 Gurdeep Saini 461 views answer comment Share Follow See all 5 Comments See all 5 5 Comments reply Show 2 previous comments Sayan Bose commented Nov 19, 2018 reply Follow Share Yes . Incrementing A by 10. That's what I got. But is it that simple or is there anything else involved ? 0 votes 0 votes Gurdeep Saini commented Nov 19, 2018 reply Follow Share @sayan but it not the answer 0 votes 0 votes Shaik Masthan commented Nov 19, 2018 reply Follow Share but given answer is 9’s complement circuit then 9’s complement = 9 - A = 9 + 2's complement of A = 9 + ( 1's complement of A + 1 ) =10 + 1's complement of A = 10 + A' then the ckt, should change A to A' 1 votes 1 votes Please log in or register to add a comment.