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What is the full form of "CRT"?

  • A.Compact Route Transmission
  • B.Cathode Ray Tube
  • C.Common Rate of Transfer
  • D.Command Rating Test

Answer: B

Correct answer: Cathode Ray Tube

A CRT is a Cathode Ray Tube: an electron beam is swept across a phosphor screen to draw the picture. It was the display technology before LCDs.

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