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The History of Computers Dr. Ray Cafolla PowerPoint Presentation
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The History of Computers Dr. Ray Cafolla

The History of Computers Dr. Ray Cafolla

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The History of Computers Dr. Ray Cafolla

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  1. The History of Computers Dr. Ray Cafolla

  2. Ancient “Computers” • Fingers and toes • Stones • Abacus (3000 bc)

  3. The Abacus

  4. The Forerunners of Computers • 1620 Napier's bones • 1642 Blaise Pascal (Pascaline)

  5. The Forerunners of Computers • 1670 Leibnitz’ Stepped Reckoner

  6. The Difference Engine Babbage's Analytical Engine (1833)

  7. Jacquard's Loom (1810)

  8. Herman Hollerith (1880)Punched Cards

  9. Three Generations of Computer • 1951-1958 first generation (vacuum tubes)

  10. Three Generations of Computer • 1959-1964 second generation computer (transistors)

  11. Three Generations of Computer • 1965-1970 third generation computers (integrated circuits – ICs)

  12. Atanasoff-Berry Computer (ABC - 1939)The First Computer

  13. Mark I (1944)First American Programmable Computer

  14. ENIAC (1946)Electronic Numerical Integrator And Calculator

  15. The Post War Boom • Johnny von Neuman (1945) • Alan Turing (1946) Enigma • 1951 UNIVAC (Universal Automatic Computer)

  16. Modern Computers • 1965 Third generation computers • 1975 Fourth generation computers (Microcomputers) • Now Multimedia, artificial intelligence

  17. The History of Computers The End