The number of lines illuminated on a CRT in one second, which is based on how fast the electron beam moves across the screen from left to right and back again. For example, a resolution of 400 lines ...
Also called "refresh rate," vertical scan frequency is the number of times a CRT was redrawn per second. Measured in Hertz, CRTs ranged from 56 to over 100 Hz, but at least 70 was recommended to help ...
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