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Computer History (a quick look)

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by

Paul Dayboll

on 8 September 2017

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Transcript of Computer History (a quick look)

How the computer
replaced the computer
History of
the computer
Abacus
Napier’s Bones
& Slide Rules
Jacquard’s Loom
Joseph Marie Jacquard
1752 – 1834
Charles
Babbage

Herman
Hollerith
Hollerith Tabulating Company
International Business Machines
Harvard Mark I
Electro-Mechanical Computer
The first bug
She was a leader in developing modern, machine independent programming languages.
Coined the word "Debugging."
Grace Hopper
• 18,000 vacuum tubes
• 680 square feet
• Weighed 30 tons
• 150 Kilowatts of power
• 5 million solder connections
• 5000 cycles per second
ENIAC
Electronic Numerical Integrator And Computer
First PC computer
ALTAIR 8800
1976
Kit cost $369
Some assembly required
Microsoft
Bill Gates &
Paul Allen
Apple
Steve Jobs &
Steve Wozniak
Babbage's Difference Engine
Augusta Ada King
Countess of Lovelace
1815 – 1852
1791-1871
2700–2300 BC
John Napier 1550 – 1617
1860 – 1929
1890 United States Census
June 16, 1911
Full transcript