A mobile phone or cell phone 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.

The main function of a mobile phone is voice communication.

The computer serves as an intangible portfolio, since it allows to save different types of documents and information that the person creates

The television is an electronic device that allows the reception and reproduction of television signals.

The function of the television begins with the capture of images and sounds in origin, and their emission and diffusion by different means.

It is a type of laptop, larger than a smartphone or a PDA, integrated into a touch screen (single or multi-touch) with which you interact primarily with your fingers, without the need for a physical keyboard or mouse.

Tablets work in a similar way to a computer, although they are regularly focused to be used more for reading content and web browsing than for professional uses.

Radio is a means of mass diffusion that reaches the radio-listening in a personal way, it is the means of greater reach, since it reaches all social classes.

The radio has the function of informing, educating and entertaining