1 votes 1 votes Shouldn't the answer be 1 because it can be implemented using minimum 1 HA and 4 FA. and maximum with 9 HA. But the answer is 9. Digital Logic adder-subtractor + – Pawan Kumar 2 asked Nov 12, 2017 • edited Jul 12, 2019 by Cristine Pawan Kumar 2 235 views answer comment Share Follow See all 2 Comments See all 2 2 Comments reply Rishabh Gupta 2 commented Nov 12, 2017 reply Follow Share The question is asking the no. of HA. You should not assume that we have any FAs. The whole adder is implemented just by HAs. 0 votes 0 votes Pawan Kumar 2 commented Nov 12, 2017 reply Follow Share ok Sir :) 0 votes 0 votes Please log in or register to add a comment.
