Chapter 1_History of Computing_Years/Dates

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Last updated 2:54 PM on 8/12/26
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45 Terms

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20,000 to 30,000 B.C

First numbers were recorded on bones

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1800 B.C.

First place-value number system in place

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1000 B.C. and 500 B.C

Abacus

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300 B.C. and 500 A.D.

Zero and Negative Numbers

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1500AD and 1900AD

  • lot of activities in the development of computing devices

  • Driven by commerce

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1500

Leonardo da Vinci invented mechanical calculator

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1621

slide rule

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1625

Wilhelm Schichard’s mechanical calculator

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1640

Blaise Pascal’s Arithmetic Machine

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1800 AD

punched card

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1830 AD

Difference Engine,

Analytical Engine,

Boolean Algebra

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1857

Paper tape

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1869 AD

Logic Machine

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~1874

first Keyboard

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1881

Rectangular Logic Diagrams

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1886

first linked Boolean Algebra to circuits based on switches

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1890

Venn diagrams,

Tabulating Machine

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After 1900 AD

Vacuum tube

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1906

triode

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1926

first semiconductor transistor

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1937

Turing Machine by Alan Turing

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1939

1st digital computer model

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1942 or 1943

COLOSSUS

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1940s

ENIAC

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1944-1952

EDVAC

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1948

UNIVAC I

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1956

EDVAC completed in _____

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1961

first work on packet switching theory

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1967

first plan for ARPANET

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1968

team lead by Frank Heart and included Bob Kahn, developed IMP

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Mid to late sixties

  • Developed less expensive but smaller computer

  • Minicomputer

  • Timesharing concept

    • Let to idea of networking

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1971 and 1976

first microprocessor

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1972

Intel - 8008

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1972

virus

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1974

truly general purpose microprocessor

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After 1974

development exploded (Microprocessor)

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Until mid 1970s

  • Development led by hardware

  • Computers were designed and software was designed to fit the hardware.

  • Personal computing industry began

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1976

Apple I and Apple II microcomputer

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1981

IBM joined the PC wars

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1989

ARPANET ceased to exist

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1989

  • World Wide Web

  • Proposal called HyperText and CERN

  • HyperText Markup Language (HTML)

  • HyperText Transfer Protocol (HTTP) a protocol

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late 1989

Line-mode interface was developed & named at CERN

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1991

Development World Wide Web

  • Central computer at CERN with few web pages

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1992

Development World Wide Web

  • 50 world wide

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1993

Development World Wide Web

  • graphic user interface browser

  • Mosaic

  • Popularized and fueled growth of internet