1 votes 1 votes Please answer?? Digital Logic digital-logic shift-registers made-easy-test-series + – raahul asked Jan 17, 2019 • edited Mar 3, 2019 by ajaysoni1924 raahul 648 views answer comment Share Follow See 1 comment See all 1 1 comment reply BASANT KUMAR commented Aug 1, 2019 reply Follow Share i think it's just addition of four bit number .in each clock cycle 1 bit will be computed for 2 clock cycle 2 bit will be computed the output will be s=1,c=1.correct me if i am wrong. 0 votes 0 votes Please log in or register to add a comment.