The basic element in standard computer Monitors and television sets. In response, the electron gun shoots out a stream of electrons. Another mechanism, also controlled by signals from the adapter, focuses and aims the electron beams so that they strike the phosphors coating the inside of the Display Screen .
Phosphors are materials that glow when struck by electrons.
The electron beams sweep across the screen about 60 times a second, continually re-illuminating, or Refreshing , the appropriate phosphors. CRT Compact American Dictionary of Computer Words 4. All rights reserved.