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TELEPHONE
Communication system that transmits voice and sound over long distances by electrical or electromagnetic means -
TELEGRAPH
The telegraph is a device or device that uses electrical signals to transmit coded text messages, such as Morse code, through wire lines or radio communications. -
RADIO
It is a form of public telecommunication, represented by the emission, transport and reception of voices, music and sound effects by means of electromagnetic waves that, without cables and connections, travel from a centrally located source (station) to the listener (receiver). -
TELEVISION
Television is a system for transmitting images and sound at a distance through Hertz waves. -
COMPUTER
A computer, also known as a computer, is an electronic machine that receives and processes data with the mission of transforming it into useful information. -
TABLET
It is a laptop larger than a smartphone, integrated into a touch screen with which you interact primarily with your fingers without the need for a physical keyboard or mouse -
MOBILE PHONE
A mobile is something that is mobile or that is not fixed or still. ... The operation of this type of telephone is given by radio waves that allow it to access the antennas that make up the mobile telephone network.
