refresh rate
<hardware> (Or "vertical refresh rate", "vertical scan rate") The maximum
number of frames that can be displayed on a monitor in a second, expressed in
Hertz.
The scan rate is controlled by the vertical sync signal generated by the video
controller, ordering the monitor to position the electron gun at the upper left
corner of the raster, ready to paint another frame. It is limited by the
monitor's maximum horizontal scan rate and the resolution, since higher
resolution means more scan lines. Increasing the refresh rate decreases
flickering, reducing eye strain, but few people notice any change above 60-72
Hz.
(1999-08-01)
Nearby terms:
refresh « refreshable braille display « refreshable
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