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Is a device that uses electrical signals for the transmission of encoded text messages, such as with Morse code, through wire lines or radio communications.
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The telephone is a telecommunication device designed to transmit acoustic signals at a distance by means of electrical signals.
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System of transmission of images and sounds at a distance by means of hertzian waves.
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Radiotelephone broadcast that is intended for the public.
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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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Laptop larger than a smartphone, integrated into a touch screen that interacts primarily with your fingers without the need for a physical keyboard or mouse
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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.
