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It is an electronic system used to store and process data. -
The telegraph is an electrical device capable of transmitting text messages. To do this, it uses coding, by means of Morse code, in electrically emitted signals. -
Its a device which enables transmit sounds from distances by electrical sings. It was invented in 1871 by Antonio Meucci, although the first to patent it was Alexander Graham Bell, in 1876. -
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. -
Television is an instrument of communication, information and entertainment. In principle, to communicate is, etymologically, to make something common. Therefore, communication is, in its first meaning, the passage from the individual to the collective. -
They use a touch-sensitive screen so you can type and navigate quickly. They are characterized by being very light and are cheaper than a computer. -
It is an electronic device that allows communication through various tools: by telephone, through applications, emails, among others.