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Cathode Ray Tube

Envelope Or Container, Electron Gun, Focusing And Deflection Systems, Display Screen

A cathode ray tube is a device that uses a beam of electrons in order to produce an image on a screen. Cathode ray tubes are also known commonly as CRTs. Cathode ray tubes are widely used in a number of electrical devices, such as computer screens, television sets, radar screens, and oscilloscopes used for scientific and medical purposes. A cathode ray tube consists of five major parts: an envelope or container, an electron gun, a focusing system, a deflection system, and a display screen.

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Science EncyclopediaScience & Philosophy: Categorical judgement to Chimaera