Chapter1_1 - Chapter 1(Lect1 Working with Binary Octal and...

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Chapter 1 (Lect1) Working with Binary, Octal, and Hexadecimal numbers Review Bases Conversions Addition and subtraction Number complements Signed and Unsigned representations (Base 2) Addition and Subtraction revisited (Base 2) Unsigned numbers Signed numbers
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Base 10 Numbers Number of discrete symbols: 10 Allowed values 0 to (Base – 1): 0 1 2 3 4 5 6 7 8 9 (542.75) 10 = 500 + 40 + 2 + 0.7 + 0.05 = 5x10 2 +4x10 1 +2x10 0 +7x10 -1 +5x10 -2 Counting 0 – 9 Reset , increment 10 – 19 Reset , increment 20 – 29 … 99 Reset, Reset, increment
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