A screensaver is a type of computer program initially designed to prevent phosphor burn-in on CRT and plasma computer monitors by blanking the screen or filling it with moving images or patterns when the computer is not in use. Contemporary screensavers are used primarily for entertainment or security. About Bouncing Ball ScreenSaver Bouncing Ball ScreenSaver is a simple scre en saver that shows a green ball bouncing against the borders of your screen.
