Subject
Year
: Digital System
: 2009
Arithmetic
Chapter 4
Overview
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Arithmetic operation
Hexadecimal numbers
Octal numbers
Binary Coded Decimal Numbers (BCD)
3
Arithmetic operation
• Binary Addition
The four basic rules for adding binary(bits) are as follows :
4
Arithmetic operation con’t
• Binary Subtraction
The four basic rules for subtracting bits are as follows :
5
Arithmetic operation con’t
• Binary Multipication
The four basic rules for multiplying bits are as follows :
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Arithmetic operation con’t
• Binary Division
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Hexadecimal numbers
8
Counting in Hexadecimal
• Binary to Hexadecimal Conversion
9
Counting in Hexadecimal con’t
• Hexadecimal to Binary Conversion
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Counting in Hexadecimal con’t
• Hexadecimal to Decimal Conversion
11
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
12
Binary Coded Decimal Numbers
• Binary Coded Decimal is a way to express each of the decimal digits with a binary
code.
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Binary Coded Decimal Numbers
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