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XVII century Quipus (or khipus) - knotted-string devices that were used for recording both statistical and narrative informat
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A human who does calcuations is known as a computer
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a calculating tool used primarily in parts of Asia for performing arithmetic processes
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the first calculating machine made public during its time and the only operational mechanical calculator in the 17th century
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The first calculator that could perform automatic addition,subtraction as well as multiplication and division. Developed by Gottfried Wilhem Von Leibniz.
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While mathmatically correct at the time is was not fesiable to create
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Boolean algebra: Boolean algebra is invented by George Boole
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the machine was developed to help process data for the 1890 U.S. Census.
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The Z1 was the first freely programmable computer in the world which used Boolean logic and binary floating point numbers, however it was unreliable in operation.[1][2
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was the first electronic digital computing device. Designed only to solve systems of linear equations.
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Built during World War II in the United States
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THe first electronic general-purpose computer. It was Turing-complete, reprogramable, and able to solve a full range of computing problems. Was designed to calculate artillery firing tables for the United States Army's Ballistic Research Laboratory
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First patent crated for intergrated cicuit filled by German engineer Werner Jacobi.
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IBM tabulating machine
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A transistor is a semiconductor device used to amplify and switch electronic signals and electrical power. First developed in the 1950'
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First commercial computer & able to pick presidential winners.
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The first computer game invented.
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Moore's law is the observation that over the history of computing hardware, the number of transistors on integrated circuits doubles approximately every two years.
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concept originated in the 20th century mainly as prototypes and concept ideas; prominently, Alan Kay's Dynabook of 1968
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multi-user computer operating system developed by a group of AT&T employees at Bell Labs,
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The world's first available dynamic RAM chip.
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The first commercially available microprocessor.
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Inoduced by Gerald J. Popek and Robert P. Goldberg in their 1974 article "Formal Requirements for Virtualizable Third Generation Architectures".
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IBM develops SEQUEL (Structured English Query Language ) now known as SQL
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Apple's primary operating system until 2002
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Windows was orignially an add-on to MS-DOS
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an operating system kernel first released by Linus Torvalds.
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Metcalfe's law states that the value of a telecommunications network is proportional to the square of the number of connected users of the system (n2).
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Formerly Mac OS X, is a Unix-based graphical interface operating system developedand sold by Apple Inc to run on Mac computers exclusively .
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The Germans use the Enigma encryption machine during WWII