Chapter_3-Computer History and Hardware

Chapter_3-Computer History and Hardware - History of...

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1 History of Computing ringbutton3 Dawn of Human Concept of Numbers ringbutton3 Abacus ringbutton3 1642: Pascal’s Machine History of Computing 1674: Leibniz Calculating Machine History of Computing 1800’s: Analytical Engine –Charles Babbage
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2 History of Computing ringbutton3 1880: Mechanical Tabulator –Herman Hollerith History of Computing 1911: Hollerith’s machine was a complete success and the company that manufactured Hollerith’s machine, in 1911, merged with its main competitor History of Computing ringbutton3 1947: ENIAC (Electronic Numerical Integrator and Computer) ringbutton3 Vacuum Tubes History of Computing ENIAC
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3 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 1950’s: Transistor-Based Computers Transistorized computers
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4 History of Computing 1960’s: 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 1970’s: extreme miniaturization History of Computing 1980’s: 5 th generation computers 1975: First microcomputer (First PC) 1979: APPLE 1982: IBM PC New Technology 2006: Silicon Photonics
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5 Computer System usually a special subsystem of an organization’s 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. Input devices convert data into machine readable form eg. keyboard, mouse, scanner Processing devices CPU (Central Processing Unit)
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6 Output devices convert machine (electronic) information into human-intelligible form video displays, printers Storage devices store data & program instructions needed for processing
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