2. Arithmetic Chapter 4 Subject: Digital System Year: 2009

3. 3 Overview Arithmetic operation Hexadecimal numbers Octal numbers Binary Coded Decimal Numbers (BCD)

4. 4 Arithmetic operation Binary Addition The four basic rules for adding binary(bits) are as follows :

5. 5 Arithmetic operation con’t Binary Subtraction The four basic rules for subtracting bits are as follows :

6. 6 Arithmetic operation con’t Binary Multipication The four basic rules for multiplying bits are as follows :

7. 7 Arithmetic operation con’t Binary Division

8. 8 Hexadecimal numbers

9. 9 Counting in Hexadecimal Binary to Hexadecimal Conversion

10. 10 Counting in Hexadecimal con’t Hexadecimal to Binary Conversion

11. 11 Counting in Hexadecimal con’t Hexadecimal to Decimal Conversion

12. 12 Octal numbers The Octal number system is composed of eight digits, which are 0,1,2,3,4,5,6,7 Example of octal to decimal conversion

13. 13 Binary Coded Decimal Numbers Binary Coded Decimal is a way to express each of the decimal digits with a binary code.

14. 14 Binary Coded Decimal Numbers