Computer Hardware and Software

Computer Hardware and Software - Intro to MIS MGS351...

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Intro to MIS – MGS351 Computer Hardware and Software Extended Learning Module A Chapter Overview History Binary and Digital Communications Hardware CPU, Memory, Storage Devices, Input Devices, Output Devices Software Operating Systems, Application Software, Programming Languages “If we can build something that adds, we’re well on our way to building something that uses addition to also subtract, multiply, divide, calculate mortgage payments, guide rockets to Mars, play chess and foul up our phone bills.” - Charles Petzold, CODE p131 Difference Engine "I wish to God these calculations had been executed by steam." – Charles Babbage upon finding multiple errors in calculation tables Binary Communications Could you communicate successfully with only two signals, symbols or sounds? Telegraph / Morse Code Braille Can a Binary Machine do Math? Electricity and binary math? Series circuit Electricity and binary math? Parallel circuit
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Binary Addition Stibitz 1-Bit Model K Adder "We wouldn't have our iPhones today, if we didn't start out with stuff like this." - Steve Wozniak Digital Communications Bit (binary digit) Represents smallest unit of data in the form of either 0 or 1 Byte String of bits, usually eight Stores one number or character Digital Communications Sentence written in ASCII 01000001010100110100001101001001010010010010000001101001011100110010000001 1011100110111101110100001000000110011001110101011011100010000001110100 01101111001000000111010001111001011100000110010100101110 What is this?
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  • Fall '09
  • Computer program, Input devices

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