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Old May 8th, 2014, 12:45 PM
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Join Date: Dec 2011
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Default Re: CRT in computer graphics

CRT is Cathode Ray Tube. It is resemble to a big vacuum glass bottle. This tube contains 3 electron guns that squirt out focused beam of electrons, deflection apparatus (magnetic or electrostatic), which deflects these beams both up and down and sidewise, and a phosphor coated screen upon which these beams impinge.

The Cathode Ray Tube uses an evacuated glass envelope which is large, deep, fairly heavy, and relatively fragile.

The face is typically made of thick lead glass so as to be highly shatter-resistant and to block most X-ray emissions, particularly if the CRT is used in a consumer product.

If you want to know more about it then visit the link given below:

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