lesson 1.1 history of computer
DESCRIPTION
Basic Concepts by Engr. Mark Abadiano,MST-CSTRANSCRIPT
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Historical Advancement:ABACUS – Babylonian & Chinese (2000
BC)Adding Machine- Blaise Pascal (1642)Mechanical Loom- Joseph Marie
JacquardAnalytical Engine - Charles BabbagePunch cards – Herman Hollerith & James Power (1890).MARK I – Howard Aiken (1937)
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ABACUS – Babylonian & Chinese (2000 BC)
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Adding Machine- Blaise Pascal (1642)
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Mechanical Loom- Joseph Marie Jacquard
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Analytical Engine - Charles Babbage
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Punch cards – Herman Hollerith (1890).
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MARK I – Howard Aiken (1937)
IBM called Mark 1 the IBM Automatic Sequence Controlled Calculator
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COMPUTER EVOLUTION (Start of the Generation)
First Generation Second GenerationThird GenerationFourth GenerationFifth Generation
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FIRST GENERATION Vacuum tube technology EDVAC – Electronic Discrete Variable Automatic Computer UNIVAC – Universal Automatic Computer
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SECOND GENERATION TRANSISTOR ERA
- invented by William Shockley, John Bardeen and Walter Brattain of Bell Laboratories.
- Texas Instruments improve it.
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THIRD GENERATION SILICON CHIP ERA
- mini computer by Digital Equipment Inc.(1962) - IBM 360 series(1964).
- FORTRAN (Programming Language) (1956). - COBOL (Programming lang.)- Grace Hopper (1959).
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FOURTH GENERATION VLSI & ULSI (Very Large Scale Integrated Circuit and Ultra Large Scale
Integrated Circuit)
- intel 4004 chip (1971) - Personal Computer by IBM (1981) - Macintosh introduced GUI (Graphic User Interface)
- LAN and WAN - WWW (World Wide Web)
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FIFTH GENERATION (1990-present) Intelligent Robots Intelligent Systems Voice Recognition Dynamic Language Translator Dual Core, Quadro Core Intel Core i7