# cp1_lect_2 - 11-1 Bit and Byte BIT(Binary digIT 0/1 ~...

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5/10/10 11-1

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5/10/10 Bit and Byte BIT (Binary digIT) 0/1 1K (Kilo) = 210 =1024 103 1M (Mega) = 220 = 1,048,576 106 1G (Giga) = 230=1,073,741,824 109 ~ ~ ~ ~ 1 1 0 0 1 0 0 0 LSB MSB
5/10/10 Decimal Number System The system can have symbols 0 through 9. What is 426? it is four hundreds plus two tens plus six ones. i.e. 426 = 4.102 + 2.101 + 6.100 How about negative numbers? we use two more symbols to distinguish positive and negative: + and 1’s place 10’s place 100’s place

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Binary Number System Place 27 26 25 24 23 22 21 20 Value 128 64 32 16 8 4 2 1 Evaluate 1 x 128 1 x 64 0 x 32 1 x16 0 x 8 1 x 4 1 x 2 0 x 1 Sum for Base 10 128 64 0 16 0 4 2 0 Symbols 0 and 1. Ex:   1101 01102   21410  128+ 64 +0 + 16 + 0 +4 + 2 + 0 =
5/10/10 Octal Number System Decim al 0 1 2 3 4 5 6 7 Binary 000 001 010 011 100 101 110 111 Octal 0 1 2 3 4 5 6 7 Symbols : 01,2,3,4,5,6,7

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5/10/10 Decimal Binary Octal Hexa- decim al 0 0 0 0 1 1 1 1 2 10 2 2 3 11 3 3 4 100 4 4 5 101 5 5 Hexadecimal Number System Symbols 0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F
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cp1_lect_2 - 11-1 Bit and Byte BIT(Binary digIT 0/1 ~...

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