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Liang Ling-Can: Liang Ling-Can invents the first fully mechanical clock
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Drawings by Leonardo da Vinci depict inventions such as flying machines, including a helicopter, the first mechanical calculator and one of the first programmable robots
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John Napier invents a system of moveable rods (Napier's Rods) based on logarithms which was able to multiply, divide and calculate square and cube roots
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William Oughtred develops slide rules
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Invented by Wilhelm Schickard
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Blaise Pascal invents the the "Pascaline", a mechanical adding machine
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Gottfried Leibniz is known as one of the founding fathers of calculus
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Joseph-Marie Jacquard invents an automatic loom controlled by punched cards
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The Arithmometer was the first mass-produced calculator invented by Charles Xavier Thomas de Colmar
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Charles Babbage designs his first mechanical computer
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The Analytical Engine was invented by Charles Babbage
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Samuel Morse invents Morse code
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Boolean algebra is invented by George Boole
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Per Georg Scheutz and his son Edvard invent the Tabulating Machine
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William Stanley Jevons designs a practical logic machine
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Ramon Verea invents a fast calculator with an internal multiplication table
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Alexander Graham Bell invents the telephone called the Photophone
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The Comptometer is an invention of Dorr E. Felt which is operated by pressing keys
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Herman Hollerith invents a counting machine which increment mechanical counters
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Radio signals were invented by Guglielmo Marconi
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Herman Hollerith forms the Tabulating Machine Company which later becomes IBM
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Remote control was invented by Nikola Tesla
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Lee De Forest invents the electronic tube
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IBM is formed
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Television Electronic was invented by Philo Farnsworth
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Electro Mechanical television system was invented by John Logie Baird
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Walther Bothe develops the logic gate
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Vannevar Bush develops a partly electronic Difference Engine
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Kurt Godel publishes a paper on the use of a universal formal language
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Alan Turing develops the concept of a theoretical computing machine
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Konrad Zuse creates the Z1 Computer a binary digital computer using punch tape
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William Hewlett and David Packard start Hewlett Packard
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John Vincent Atanasoff and Clifford Berry develop the ABC (Atanasoft-Berry Computer) prototype
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George Stibitz develops the Complex Number Calculator - a foundation for digital computers
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Adolf Hitler uses the Enigma encryption machine
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Alan Turing develops the the code-breaking machine Colossus
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Howard Aiken and Grace Hopper designed the MARK series of computers at Harvard University
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John Presper Eckert & John W. Mauchly: John Presper Eckert & John W. Mauchly develop the ENIAC ( Electronic Numerical Integrator and Computer)
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The term computer ‘bug’ as computer bug was first used by Grace Hopper
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F.C. Williams develops his cathode-ray tube (CRT) storing device the forerunner to random-access memory (RAM)
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Donald Watts Davies joins Alan Turing to build the fastest digital computer in England at the time, the Pilot ACE
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William Shockley invents the transistor at Bell Labs
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Douglas Engelbart theorises on interactive computing with keyboard and screen display instead of on punchcards
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Andrew Donald Booth invents magnetic drum memory
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Frederic Calland Williams & Tom Kilburn develop the SSEM "Small Scale Experimental Machine" digital CRT storage which was soon nicknamed the "Baby"
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Claude Shannon builds the first machine that plays chess
