lesson 1.1 history of computer
DESCRIPTION
Basic Concepts by Engr. Mark Abadiano,MST-CSTRANSCRIPT
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)
ABACUS – Babylonian & Chinese (2000 BC)
Adding Machine- Blaise Pascal (1642)
Mechanical Loom- Joseph Marie Jacquard
Analytical Engine - Charles Babbage
Punch cards – Herman Hollerith (1890).
MARK I – Howard Aiken (1937)
IBM called Mark 1 the IBM Automatic Sequence Controlled Calculator
COMPUTER EVOLUTION (Start of the Generation)
First Generation Second GenerationThird GenerationFourth GenerationFifth Generation
FIRST GENERATION Vacuum tube technology EDVAC – Electronic Discrete Variable Automatic Computer UNIVAC – Universal Automatic Computer
SECOND GENERATION TRANSISTOR ERA
- invented by William Shockley, John Bardeen and Walter Brattain of Bell Laboratories.
- Texas Instruments improve it.
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).
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)
FIFTH GENERATION (1990-present) Intelligent Robots Intelligent Systems Voice Recognition Dynamic Language Translator Dual Core, Quadro Core Intel Core i7