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Programmable digital electronic machine that executes a series of commands to process data.
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Device that uses electrical signals to send text messages codified with the famous morse code.
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In the first prototype of the telephone, electricity was not used, but a magnetized iron that functioned as a conductor of sound.
What this invention allows us is to be able to communicate with another person at a distance. -
The radio is a machine that is based on sending audio signals through radio waves.
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Device that transmits information through a screen, audiovisual communication
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A tablet is a mobile computing device with a large screen.
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The mobile phone is used to communicate at a distance, the difference it has with the telephone is that it can go on the move, it does not need a cable.