0 votes 0 votes what changes are needed to the figure to convert it to a serial subtractor that subtracts the content of register B from the content of register A? Digital Logic digital-logic morris-mano sequential-circuit serial-adder registers + – ajaysoni1924 asked Apr 6, 2019 ajaysoni1924 671 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.