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The abacus is used in ancient civilizations such as the Chinese or the Sumerian, the first tool to perform addition and subtraction.
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the birth of jeSUS
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the Persian mathematician and engineer Musa al-juarismi developed the theory of the algorithm, that is, the methodical solution of problems in algebra and numerical calculus
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the German Wilhelm Schickard invents the first calculating machine, the prototype of which disappeared shortly after.
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the British inventor Charles Babbage designs and attempts to build the first mechanically operated computer
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the first computer is the Z1. Its made the german Konrad zuse the first computer that can be considered as such
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in the USA the IBM company builds the Harvard Mark I electromechanical computer
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Jack S. Kilby made the first Integrated circuit.
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Microsoft introduces the Windows 1.0 operating system.
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presentation of the first iPhone, by the Apple company, a intelligent or smartphone.
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emergence of virtual reality aimed at the general public with devices from manufacturers such as Oculus, HTC and Sony.
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