1 votes 1 votes Digital Logic combinational-circuit digital-logic adder + – Parshu gate asked Dec 5, 2017 Parshu gate 642 views answer comment Share Follow See all 3 Comments See all 3 3 Comments reply akash.dinkar12 commented Dec 5, 2017 reply Follow Share 3....? 0 votes 0 votes Parshu gate commented Dec 5, 2017 reply Follow Share Yes. please explain 0 votes 0 votes Shubhanshu commented Dec 5, 2017 reply Follow Share I think 2 Half adder and 1 EX OR gate is sufficient which means AND gate of third HA is not required. 0 votes 0 votes Please log in or register to add a comment.