0 votes 0 votes The once compliment of the given BCD excess -3 code is 9's compliment of the given BCD in the excess -3 form because of this Excess-3 code is named as self complimentry code.. Please elaborate and well explain above sentence Digital Logic digital-logic number-representation made-easy-booklet + – air1ankit asked Aug 24, 2017 edited Mar 6, 2019 by ajaysoni1924 air1ankit 430 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.