October 2011
Beginner
835 pages
19h 23m
English
A screen saver animates your screen with pictures or graphics moving across your screen when your computer is on but idle. A Screen saver serves several purposes.
Originally one of the main purposes of a screen saver was to prevent what is called burn-in or image persistence. When the image on the screen doesn’t change for a long time, the image can get imprinted so that a ghost of that image remains on the screen forever. ...
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