Protecting from a Power Surge:

You should protect it from a power surge. If an unexpected rush of electricity hits, a surge protector will blow the fuse or trip the breaker, this is what save your computer. You should be sure to use a surge protector with a phone jack to keep the phone line from being a way for the electricity to travel to your computer. You should know that a surge protector cannot defend you form a direct lightning strike. If you totally unplug your computer and modem during a thunderstorm, this is the only sure way to protect your computer against lightning strikes.

To Protect Computer From Loss Of Data:

If your hard disk crash it can't take all of your significant saved information and software with it if you have backed it up. To defend your computer data all should be backed up by saving it to a compact disc, this is your best safeguard against data loss. So, sometimes you should make copies of the information on your hard disk.

Protecting Computer from Viruses

You must also protect your computer, data, privacy, and information from viruses and spyware each time you install a new program, copy files, and download from the Internet you are vulnerable. These days it is a must to have a good, reliable virus protection program. Be sure to get one that will appraisal each new file and check it for viruses. Also, you should be able to get regular updates via the Internet because there are always new viruses that you will need protection from on an ongoing basis.