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A computer is an electronic system for storing and processing data. -
Serves as a means of communication for all persons -
Serves as a means of communication for all persons -
Radio is a means of communication based on sending audio signals via radio waves, although the term is also used for other forms of remote audio delivery such as Internet radio. -
Television is a system for the remote transmission and reception of images and sounds simulating movement, employing a broadcasting mechanism. -
Offline reading of web pages. Consulting and editing office suite documents. -
The mobile phone is an electronic device that allows communication through a variety of tools.