1 1 vote Digital Logic combinational-circuit digital-logic adder + – Parshu gate 1.1k views answer comment Share Follow Print See all 3 Comments 3 3 Comments reply akash.dinkar12 commented Dec 5, 2017 reply Follow flag 3....? 0 0 replyShare Parshu gate commented Dec 5, 2017 reply Follow flag Yes. please explain 0 0 replyShare Shubhanshu commented Dec 5, 2017 reply Follow flag I think 2 Half adder and 1 EX OR gate is sufficient which means AND gate of third HA is not required. 0 0 replyShare Please log in or register to add a comment.