Module 1 Lec 9|Binary codes|BCD|Gray Code|Excess-3|Alphanumeric code|ASCII

Topics in Lecture 9
After completing this section, you should be able to
Convert each decimal digit to BCD
Express decimal numbers in BCD
Convert from BCD to decimal
Add BCD numbers
Convert from BCD to Exess-3
Explain the advantage of the Gray code
Convert between Gray code and binary
Use the ASCII code