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Jan 1, 1200
Abacus
World's first computer, using sliding beads. -
First Mechanical Calculator
Invented by Blaise Pascal. Clerks and acoountants feared their jobs. -
The Punch Card
Invented by Joseph Jacquerd. Invented for looms to keep patterns. -
Charles Xavier Thomas
First commercially successful calculator. Manufactured in Paris until after WWI -
Charles Babbage
Invented the difference engine. It show the results of complex math operations quickly -
Herman Hollerith
Changed the punch card bt dividing it into 80 columns. -
John Von Neumann
Created the use of the "bit" as the basic unit of memory. -
The ABC
One of the first electronic computers. -
Silicon Chip
Invented byJack Kilby and Robert Noyce. -
The Datapoint
First microcomputer made by CTC.
