0 votes 0 votes A combinational circuit is designed to multiply the input by 9. The input is 4 bit BCD and the output is binary. How many output lines are required? Digital Logic digital-logic + – GateAspirant999 asked Oct 17, 2016 GateAspirant999 453 views answer comment Share Follow See all 3 Comments See all 3 3 Comments reply Prashant. commented Oct 17, 2016 i edited by Prashant. Oct 17, 2016 reply Follow Share 7 as my logic Max bcd is 9 *9 = 81 to represent 81 need 7 bits 2 votes 2 votes GateAspirant999 commented Oct 17, 2016 reply Follow Share 6 toh kaam ho gaya bhai...nope its not 6 0 votes 0 votes Prashant. commented Oct 17, 2016 reply Follow Share check ... 0 votes 0 votes Please log in or register to add a comment.
Best answer 1 votes 1 votes As we know that max bcd no is 9 and if we multiply it by 9 then it will be 81 binary conversion of 81=1010001 here no of binary bit=7 so no of output line =7 Suraj Kumar 1 answered Aug 14, 2017 selected Aug 14, 2017 by Praveen Saini Suraj Kumar 1 comment Share Follow See all 0 reply Please log in or register to add a comment.