Chapter1 - EE2006 Digital Design/S Ranganath I Number...

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EE2006 Digital Design/S Ranganath I - 1 I. Number Systems Basic binary addition, subtraction and multiplication. Positional number systems Binary, octal, decimal, hexadecimal. Conversions between number systems. Signed binary number representations. Signed magnitude, One’s complement, Two’s complement. Signed binary addition and subtraction. Binary coded decimal (BCD) representation. 4 number systems that we must be familiar with: System Why? Remarks Decimal 10 fingers Binary ON/OFF systems 3 times more digits than decimal Octal Shorthand notation for working with binary 3 times less digits than binary Hex ------- do --------- 4 times less digits than binary
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