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Programmable digital electronic machine that executes a series of commands to process the input data, conveniently obtaining information that is later sent to the output units. -
The telegraph is an apparatus or device that uses electrical signals for the transmission of coded text messages, such as Morse code, through wire lines or radio communications. -
The telephone is a telecommunication device created to transmit acoustic signals at a distance by means of electrical signals. -
Signaling and communication technology using radio waves. Radio waves are electromagnetic waves with a frequency between 30 hertz and 300 gigahertz. -
Is a system for the transmission and reception of images and sounds at a distance that simulate movements, which uses a diffusion mechanism. -
Portable electronic device larger than a smartphone or a PDA, it is a single piece that integrates a touch screen that emits light. -
Portable device that can make or receive calls through a radio frequency carrier, while the user is moving within a telephone service area.