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Douglas Carl Engelbart (born January 30, 1925) is an American inventor and early computer pioneer. He is best known for inventing the computer mouse, as a pioneer of human-computer interaction whose team developed hypertext, networked computers, and precursors to GUIs; and as a committed and vocal proponent of the development and use of computers [...]
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A pantograph (from Greek roots παντ- ‘all, every’ and γραφ- ‘to write’, from their original use for copying writing) is a mechanical linkage connected in a special manner based on parallelograms so that the movement of one specified point accurately mimicks the movement of another point. If a line drawing is traced by [...]
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The Colossus machines were electronic computing devices used by British codebreakers to help read encrypted German messages during World War II. These were the world’s first programmable, digital, electronic, computing devices. They used vacuum tubes (thermionic valves) to perform the calculations.
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Alan Mathison Turing (23 June 1912 – 7 June 1954), was an English mathematician, logician, cryptanalyst and computer scientist. He was highly influential in the development of computer science, providing a formalization of the concepts of “algorithm” and “computation” with the Turing machine, which played a significant role in the creation of the [...]
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