Television may be a telecommunication system that transmits and receives photos and sound by sending electronic signals through a cable and fiber optics, or by using electromagnetic waves. typically these signals are emitted from a central supply known as the tv station.
Then a relay station retransmits the signals to be captured by the receiver in homes remote from the tv station. additionally, there are company tv services to homes via cable or by employing a special antenna, like satellite dishes.
Television has been employed in a spread of activities, each in social, business, and science. the utilization of most of tv is as a supply of knowledge and entertainment. tv sets are currently various, there's a hollow tube (Cathode Ray Tube), plasma TVs and LCD TVs are leaner.
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