1 / 21

History

History. Computers. Development of Computers. Abacus (500 BC). Pascaline (1642) - Blaise Pascal. Punch cards (1801) - Joseph Jacquard. Difference Engine/Analytical Engine (1822) - Charles Babbage. First programmer - Ada Augusta Lovelace. Census Bureau (1890) - Herman Hollerith.

claudia-kidd
Download Presentation

History

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. History Computers

  2. Development of Computers • Abacus (500 BC)

  3. Pascaline (1642) - Blaise Pascal

  4. Punch cards (1801) - Joseph Jacquard

  5. Difference Engine/Analytical Engine (1822) - Charles Babbage

  6. First programmer - Ada Augusta Lovelace

  7. Census Bureau (1890) - Herman Hollerith

  8. ABC by Atanasoff & Berry

  9. General Purpose Computers • ENIAC by Mauchly & Eckert • First computer based entirely on vacuum tubes

  10. EDVAC by von Neumann Improved programming requirements of ENIAC Stored program concept

  11. First Generation • 1951 – 1958 • Vacuum tubes • UNIVAC I (1951) • First computer built for a data processing application • Punched cards • Machine language being replaced by assembly language • FORTRAN

  12. Vacuum Tubes

  13. Second Generation • 1959 – 1963 • Transistors • DEC introduced PDP-1 (1960) • First minicomputer • IBM began work on System 360 series (1961) • Magnetic tapes and disks • COBOL, Basic, and PL1

  14. Transistors

  15. Third Generation • 1964 – 1970 • Integrated circuits • Circuits reside on a single chip • IBM introduced System 360 series (1964) • RPG and Pascal

  16. Integrated Circuits

  17. Fourth Generation • 1971 – ??? • LSI and VLSI • Many circuits on a single chip • Development of microprocessor by Intel (1971) • Ted Hoff • MITS, Inc. – first commercially successful microcomputer (1975) • Apple II (1977), Tandy’s TRS-80 (1979), IBM PC (1981) • Ada

  18. LSI

  19. ? Next Generation ?

More Related