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Telegraphy is the long-distance transmission of written messages without the physical transport of letters.
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It is a portable telephone that can make or receive calls through a radio frequency carrier, while the user is moving within a telephone service area.
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Communication system that transmits voice and sound over long distances by electrical or electromagnetic means.
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Radiocommunication is a form of telecommunication that is carried out through radio waves or hertzian waves.
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sometimes shortened to tele or telly, is a telecommunication medium used for transmitting moving images in monochrome (black and white), or in color, and in two or three dimensions and sound.
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Electronic machine capable of storing information and processing it automatically through mathematical and logical operations controlled by computer programs.
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It is a type of laptop, larger than a smartphone or a PDA, integrated into a touch screen (single or multi-touch) with which you interact primarily with your fingers, without the need for a physical keyboard or mouse.
