pebbledawg
TRANSCRIPT
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History of Computers
by Aaron Goldwasser
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• ENIAC (electrical numerical integrator and calculator).
• used from 1946 to 1955
• used vacuum tubes
First Computer
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Progression of Hardware
•1950s: Vacuum tubes
•1955-1965: Transistors
•1965-1975: Integrated circuits
•1967- 1970: Circuit boards
•1970-now: Silicon computer
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Vacuum Tubes
•Invented in 1906 by Lee de Forest
•Big as a fist
•The tubes heat up and release electrons in to the tubes
•Acts as switch or an amplifier
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Transistors
•invented in 1958 by Jack C. Kilby
•Solved a lot of problems that vacuum tubes had
•Had problems of its own
•Likelihood of faulty wiring increased the more complex the circuits became
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Integrated Circuits
•Made by Jack Kilby and Robert Noyce
•Thousands of bits on the size of a fingernail
Robert Noyce
Jack Kilby
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Circuit Boards
•made by Paul Eisler in 1967
•thousands of bits on the size of a hand
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Silicon Chip
•made by Jack Kilby and Robert Noyce
•millions of bits on the size of a finger nail
•made in 1970
Jack KilbyRobert Noyce
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First PC
• made by Philip Don Estridge
• made in 1980
• named IBM PC
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Internet Begins
•In 1990 Tim Lee, working with Robert Cailliau at CERN propose a 'hypertext' system, which is the first start of the Internet as we know it today.
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First Major Apple OS
•Apple introduces System 7 OS May 13, 1991.
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First Notebook
•IBM introduces ThinkPad, the industry's first notebook, in
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First Government Webpage
•President Bill Clinton puts the United States White House online on 26th Jun, 1993.
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Internet Explorer is made
•Microsoft releases Internet Explorer 1.0 on August 16, 1995
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Google lives!
•Google is first developed by Sergey Brin and Larry Page.
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Facebook goes online
•The domain facebook.com comes online March 28, 1997
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Sony makes the memory stick
•Sony introduces the Sony Memory Stick.
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First iMac
•Apple introduces the iMac, the iMac helps bring Apple back on the computer maps as a very easy and friendly computer
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Microsoft bails out Apple
•Microsoft saves Apple with a $150 million investment August 6, 1997
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Windows XP is released
•Microsoft Windows XP home and professional editions are released October 25, 2001.
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Windows 2000
•Windows XP is released.