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Computer History (a quick look)
Transcript of Computer History (a quick look)
replaced the computer
& Slide Rules
Hollerith Tabulating Company
International Business Machines
Harvard Mark I
The first bug
She was a leader in developing modern, machine independent programming languages.
Coined the word "Debugging."
• 18,000 vacuum tubes
• 680 square feet
• Weighed 30 tons
• 150 Kilowatts of power
• 5 million solder connections
• 5000 cycles per second
Electronic Numerical Integrator And Computer
First PC computer
Kit cost $369
Some assembly required
Bill Gates &
Steve Jobs &
Babbage's Difference Engine
Augusta Ada King
Countess of Lovelace
1815 – 1852