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A system for transmitting messages from a distance along a wire, especially one creating signals by making and breaking an electrical connection. -
The telephone is an object that allows to transmits sounds at a large distance. -
The transmission and reception of electromagnetic waves of radio frequency, especially those carrying sound messages. -
Is a piece of electrical equipment consisting of a box with a glass screen on it on which you can watch programmes with pictures and sounds. -
A computer is a device that accepts information (in the form of digitalized data) and manipulates it for some result based on a program, software, or sequence of instructions on how the data is to be processed. -
A tablet is a wireless, portable personal computer with a touchscreen interface. The tablet form factor is typically smaller than a notebook computer, but larger than a smartphone. -
Portable device for connecting to a telecommunications network in order to transmit and receive voice, video, or other data.