November 2018 1 21 Report

Przetłumacz na J. Polski.(tylko nie z żadnego tłumacza google).

When television first started the system of broadcasting was analogue. this meant that a TV aerial received radio waves from the TV companies. These transformed into sound and images on the TV screen. At the time, the system was revolutionary, but it wasn't perfect. It couldn't transmit many channels and the quality of the pictures was sometimes poor because of interference. For a long time there was only analogue TV, but at the end of the 1990, digital television arrived.


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