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Arithmetic Chapter 4 Subject: Digital System Year: 2009

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

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

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

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

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7 Arithmetic operation con’t Binary Division

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8 Hexadecimal numbers

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9 Counting in Hexadecimal Binary to Hexadecimal Conversion

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10 Counting in Hexadecimal con’t Hexadecimal to Binary Conversion

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11 Counting in Hexadecimal con’t Hexadecimal to Decimal Conversion

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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

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13 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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14 Binary Coded Decimal Numbers

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