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Binary System

Binary System. Presented by Mr. Wilhelmi. Internal Representation of Data. Input Data that is put into the computer for processing Data The raw material to be processed by a computer Information Data that is organized, meaningful, & useful To be useful, information must be:

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Binary System

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  1. Binary System Presented by Mr. Wilhelmi

  2. Internal Representation of Data • Input • Data that is put into the computer for processing • Data • The raw material to be processed by a computer • Information • Data that is organized, meaningful, & useful • To be useful, information must be: • Complete, accurate, relevant, & timely

  3. George Boole 1800’s Boolean mathematics Human reason could be reduced to yes/no questions George Shannon 1937 Used Boolean logic to wire electrical switching Pioneers

  4. Electrical circuits/switches have one of two states – on or off (light switch) Binary Number System

  5. Binary System (Base of 2) – uses two numbers to represent the states: 1 for ON and 0 for OFF Bit (Binary Digit) – each 1 or 0 Byte – an 8-bit unit that represents one character Binary Number System

  6. Decimal to Binary • There can be as many 0’s and 1’s as required within eight places to represent a particular character

  7. ASCII Code • American Standard Code for Information Interchange • Small computers use ASCII code to convert characters into the machine language of 1’s and 0’s. • Conversion is handled by the computer system’s input and output devices

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