Question

Express the decimal number 68.5 in i) bcd code ii) xs-3 code iii) gray code

Answer 1

The Excess-3 code:-It is an important BCD code ,is a 4 bit code and used with BCD numbers To convert any decimal numbers into its excess-3 from, add 3 to each decimal digital and then convert the sum to a BCD number. As weights are not assigned, it is a kind of non weighted codes.