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It is an electrical device capable of transmitting text messages. To do this, it uses coding, by means of Morse code, in signals emitted electrically. -
The telephone is a telecommunication device created to transmit acoustic signals at a distance by means of electrical signals. -
It is a means of communication that is based on the sending of audio signals through radio waves, although the term is also used for other forms of remote audio transmission such as Internet radio. -
It is an electronic device intended for the reception and reproduction of television signals. Usually it has a screen and commands or controls. -
it is a 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. -
It is a portable device that can make or receive calls through a radio frequency carrier, while the user is moving within a telephone service area. -
Is a mobile computing device in which the touch screen occupies almost its entire size and in which there is no physical keyboard