0 votes 0 votes To implement a5 bit binary adder , minimum num of half adders required is ..... I think answer is 10 ? Digital Logic ace digital-logic + – hem chandra joshi asked Sep 23, 2017 retagged Oct 13, 2017 by Arjun hem chandra joshi 243 views answer comment Share Follow See all 2 Comments See all 2 2 Comments reply joshi_nitish commented Sep 23, 2017 reply Follow Share 9 half adders are sufficient.. since LSB addition has implicit carry=0, which can be done using one half adder, rest 4 bits require full adders and each full adder can be made with 2 half adders, in total 1+ 4*2 = 9 half adders are required 0 votes 0 votes hem chandra joshi commented Sep 23, 2017 reply Follow Share CAN U DRAW CIRCUIT DIAGRAM? AND WHAT ABOUT TO IMPLEMENT HALF SUB WITH MUX I THINK ANSWER IS 2? 0 votes 0 votes Please log in or register to add a comment.