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Computer History
Timeline
Inventor | Invention |
---|---|
Blaise Pascal | A mechanical calculating device, Pascaline. |
Gottfried Wilhelm von Leibniz | Supposed to add, multiply, subtract and divide, but malafunctioned. Known as Stepped Reckoner. |
Charles Babbage | A calculating machine that used punched cards to store information in. Known as Analytical Engine. |
Herman Hollerith | Invented the tabulating machine. |
John Atanasoff & Clifford Berry | Atanasoff-Berry Computer, used binary number system used in computers today. |
Mark 1 | ASCC(Automatice Sequence Controlled Calculator), the first large scale automatic digital computer. Some consider it to be the first universal calculator. |
John Mauchly & J. Presper Eckert | ENIAC(Electronical Numerical Integration and Calculator), solves mathematical problems faster. |
Alan Turing | The Turing Machine, The "Enigma" |
Jon von Neumann | EDVAC(Electronic Discrete Variable Automatic Computer) with Mauchly and Eckert. |
William Shockley, John Bardeen, and Walter Brittain | Transistor |
Grace Murray Hopper | COBOL(Common Business Oriented Language) |
Jack Kilby | Developed the first integrated circuit, and the first handheld calculator. |
William Gates III | Founder of Microsoft Corporation |
Paul Allen | Co-owner of Microsoft Corporation |
Thomas Knoll & John Knoll | Creators of Photoshop. |