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Device for transmitting messages from a distance along a wire, especially one creating signals by making and breaking an electrical connection.
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Device for transmitting voices over a distance using wire or radio, by converting acoustic vibrations to electrical signals.
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It is a technology that enables the transmission of signals through the modulation of electromagnetic waves. These waves can propagate both through air and empty space and do not require a means of transport.
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Television is a system for the transmission and reception of images and sounds at a distance that simulate movements.
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It is a programmable digital machine that executes a series of commands to process the input data, obtaining convenient information that is subsequently sent to the output units.
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It's a portable electronic device larger than a smartphone.
Its usefulness is greater than that of a mobile but at the same time less than that of a laptop, resulting a simple and successful portability. -
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.
