You should be very careful when you are using any burning devices. The problem is that screensavers are launching by their selves and can create great things on your display but they also use a lot of your CPU. So if CD is burning an screensaver is launched meanwhile, you risk to have an improperly burned CD.

When you install a screensaver it will be copied in system directory. So it's easy to use them because once there are installed windows will fin them and it will add them to a list of available scrensavers. You can see this list on display properties dialog.

Every screensaver has a lot of settings that allow you to change it. You can change this settings only trough windows.

So inventing of screensavers it's a very good thing for our "baby-computers". They can't harm it and all they do is keeping you monitor safe, so you shouldn't hesitate to use them.

2. A screensaver is a program that activates after a certain amount of time has passed with no keyboard or mouse activity and blanks screen or display moving various objects across screen; these are used to prevent your screen from getting "burn in". So i think that you are begriming to understand.

3. You can also call it an animated picture that you can program trough display control panel. It will appear on screen of your computer after a time that you can program has elapsed. The most important task of screen saver is to reduce wear and CRT(Cathode Ray Tube) that can receive damage if same window is left for a long period of time.

So in conclusion after understanding definitions of screensavers you should understand benefits and try to use one on your computer. You can find some tips about using screensavers in second part of this article.