1 / 17

The History of Computers Dr. Ray Cafolla

The History of Computers Dr. Ray Cafolla Ancient “Computers” Fingers and toes Stones Abacus (3000 bc) The Abacus The Forerunners of Computers 1620 Napier's bones 1642 Blaise Pascal (Pascaline) The Forerunners of Computers 1670 Leibnitz’ Stepped Reckoner The Difference Engine

Sophia
Download Presentation

The History of Computers Dr. Ray Cafolla

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  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

More Related