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Jan 1, 1200
Abacus
World's first computer using beads -
Period: Jan 1, 1200 to
Computer History
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Pascaline
World's first mechanical calculator -
Admiral Grace Murrary Hopper
First computer language system -
Punch Card
The world's first punch card. -
Augusta Ada
World's first computer programmer -
Arithmometer
The first successful calculator -
Charles Babbage
The Analytical Engine -
Herman Hollerith
Founder of IBM -
Alan Turning
Made the Ultra -
John Van Neumann
Invented the "bit"