Chapter_3-ComputerHistoryandHardware

Chapter_3-ComputerHistoryandHardware - 2009 Francisco...

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Unformatted text preview: 2009 Francisco Delgadillo 2009 Francisco Delgadillo 1 History of Computing Dawn of Human Concept of Numbers Abacus 1642: Pascals Machine History of Computing 1674: Leibniz Calculating Machine History of Computing 1800s: Analytical Engine Charles Babbage History of Computing 1880: Mechanical Tabulator Herman Hollerith History of Computing 1911: Holleriths machine was a complete success and the company that manufactured Holleriths machine, in 1911, merged with its main competitor 2009 Francisco Delgadillo 2 History of Computing 1947: ENIAC (Electronic Numerical Integrator and Computer) Vacuum Tubes History of Computing ENIAC History of Computing VACUUM TUBES History of Computing VACUUM TUBES History of Computing 1946: ENIAC 1950:UNIVAC (Universal Automatic Calculator) 1957: IBM 704 History of Computing Late 1950s: Transistor-Based Computers Transistorized computers 2009 Francisco Delgadillo 3 History of Computing 1960s: Integrated circuits Jack Kilby of Texas Instruments made this, the first integrated circuit, in 1958. At virtually the same time Robert Noyce also developed an integrated circuit. Courtesy: Texas Instruments History of Computing 1970s: extreme miniaturization History of Computing 1980s: 5 th generation computers 1975: First microcomputer (First PC) 1979: APPLE 1982: IBM PC New Technology 2006: Silicon Photonics Computer System usually a special subsystem of an organizations overall information system Hardware Any machinery (most of which utilizes digital circuitry) that assists in the performance of the input, processing, and output activities of an information system. 2009 Francisco Delgadillo 4 Input devices convert data into machine readable form eg. keyboard, mouse, scanner Processing devices CPU (Central Processing Unit) Output devices convert machine (electronic) information into human-intelligible form video displays, printers Storage devices store data & program instructions needed for processing Primary storage devices - memory (RAM) Secondary storage devices - hard disk, floppy...
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This note was uploaded on 02/27/2011 for the course ISQS 2340 taught by Professor Staff during the Spring '08 term at Texas Tech.

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Chapter_3-ComputerHistoryandHardware - 2009 Francisco...

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