What is meaning of - cathode ray tube?
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meaning of - cathode ray tube a high-vacuum tube in which cathode rays produce a luminous image on a fluorescent screen, used in televisions and computer terminals.
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A cathode ray tube (CRT) is a specialized vacuumtube in which images are produced when an electron beam strikes aphosphorescent surface. Most desktop computer displays make useof CRTs. The CRT in a computer display is similar to the"picture tube" in a television receiver.
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