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an electronic device for storing and processing data, typically in binary form, according to instructions given to it in a variable program. -
is an apparatus or device that uses electrical signals to transmit encrypted text messages. -
A telephone is an instrument designed for the simultaneous transmission and reception of the human voice. -
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. -
is a system for the transmission and reception of images and sounds at a distance that simulate movements, which uses a diffusion mechanism -
It is a portable electronic device larger than a smartphone or a PDA, it is a single piece that integrates a touch screen (simple or multi-touch) that emits light and with which it interacts primarily with the fingers or a stylus (passive or active), no need for physical keyboard or mouse -
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