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The television is almost an essential service. Indeed, nowadays nobody can dispense it, either because it is a privileged source of information, or because of its unique ability to entertainment, communication and advertising.
Her influence on the lives of ordinary people is already enormous and is growing as new technologies enable the networks “accelerate”, “compact” and provide higher bandwidth, calling for the dissemination of more channels, interactivity and new public and private services.
From the Greek “tele” – distant and Latin “visione” – vision, Television is an electronic system for transmitting images and sound in an instant.
It works from the analysis and conversion of light and sound into electromagnetic waves and their conversion into an equipment – the TV set.
The TV set receives the electromagnetic waves and, through its internal electronic components, converts it back into pictures and sound.
The use of television has increased enormously after the Second World War due to technological advances arising from the war needs and the additional income available (a TV set, in the 1930’s, cost the equivalent of € 5300 today and there was little programming available).