03. Generations of Computer History

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Generations of Computer History.
දෘඩාංග, පරිගණක

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03. Generations of Computer History

  1. 1. Generation of Computers Generation of Computers First Generation Second Generation Third Generation Fourth Generation Fifth Generation Based on the characteristics of various computers developed from time to time, they are categorized as generation of computers.
  2. 2. First Generation Computers Time Period : 1951 to 1959 Technology : Vacuum Tubes Size : Very Large System Processing : Very Slow Characterized By:- Magnetic Drums • Magnetic Tapes • Difficult to program • Used machine language & assembly language First Generation Computers
  3. 3. Second Generation Computers Time Period : 1959 to 1963 Technology : Transistors Size : Smaller Processing : Faster Characterized By:- • Magnetic Cores • Magnetic Disk • Used high level language • Easier to program Second Generation Computers
  4. 4. Third Generation Computers Time Period : 1963 to 1975 Technology : ICs (Integrated Circuits) Incorporated many transistors & electronic circuits on a single chip Size : Small as compared to 2nd generation computers Processing : Faster then 2nd generation computers Characterized by:- • Minicomputers accessible by multiple users from remote terminals. IC (Integrated Circuit)
  5. 5. Fourth Generation Computers Time Period : 1975 to Today Technology : VLSI (Very Large Scale Integration) Incorporated many millions of transistors & electronic circuits on a single chip Size : Small as compared to first generation computer Processing : Faster then first generation computer Characterized by: The personal computer and user friendly micro-programs, very fast processor chip high level language, OOP (Object Oriented Programming) VLSI (Very Large Scale Integration)
  6. 6. Fifth Generation Computers Time Period : Future Technology Technology : AI (Artificial Intelligence) Fifth Generation Computer AI (Artificial Intelligence)
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