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Communication system that allows the transmission of information by means of electrical impulses and using a pre-established code of signs.
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Communication system that transmits voice and sound over long distances by electrical or electromagnetic means.
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An electrical device that receives radiotelegraphy or radiotelephony waves and transforms them into sounds or signals.
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System of transmission of images and sounds at a distance by means of hertzian waves.
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Electronic machine that can store information and proces it automatically through mathematical and logical operations by computer programs
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Is a type of laptop,larger than a smartphone,integrated into a touch screen that interacts primarily with with the the fingers,without the need for a physical keyboard or mouse.
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An electronic wireless device that allows access to the cellular or mobile phone network.
