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Cathode Ray Tube
The Cathode ray tube works by firing a tiny particle called an electron from the back of the TV to the front, projecting it so it runs down the screen in a z- pattern.
Some major drawbacks include that the bigger you want your Tv, the wider it is goning to be. because everybody wants thin these days, It's bulk has led to it's extinction.
Some Advantages of the catode ray tube, or CRT, are relitivily low price around $200 for a 20 inch screen, and a high quality.