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A Scotsman, John Napier invents the natural logarithm, who managed to simplify the calculation of multiplication and division by reducing it to a calculation addition and subtraction.
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the British mathematician and inventor Charles Babbage designs and try to build the first computer, mechanical performance, which he called the "Analytical Engine". However, his time technology was not advanced enough to realize his idea.
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English mathematician Alan Turing the formalizes the concepts of algorithm and Turing machine, which would be key in the development of modern computing
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The German engineer Konrad Zuse completes the Z1, the first computer which can be considered as such. And using electromechanical relays operation was programmable (by perforated tape) and using Boolean logic and binary system. She would follow improved models Z2, Z3 and Z4.
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At the Bell Laboratories, John Bardeen, Walter H. Brattain and William Shockley invent the transistor.
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Nicolette Instruments Corp. launches the 1080 Nicolette, a computer-based scientific use 20-bit registers, whose versatility for calculating the Fast Fourier Transform provides great acceptance in the field of nuclear magnetic resonance
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Intel introduced the first commercial processor and both the first microprocessor chip, the Intel 4004.
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Paul Allen and Bill Gates founded Microsoft
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Steve Jobs, Steve Wozniak, Mike Markkula and other friends founded Apple.
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Apple introduced the first personal computer sold on a large scale, the Apple II, developed by Steve Jobs and Steve Wozniak.
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the IBM PC was launched to the public, which became a commercial success, it would mark a revolution in the field of personal computing and define new standards.
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ARPANET is separated from the military network that passess to civilian use and these becoming the origin of the Internet.
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Microsoft introduced the Windows 1.0 operating system.
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They appear at the beginning of the mobile devices XXI century , first as PDAs, and some years later as smartphones.
