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the primary storage devices on a computer are hard disk. they need to be formatted before they can be used.formatting a disk means to prepare the disk with a file system so that windows can store information on the disk.(A file system is a method for storing and organizing computer files.) hard disk in new computers running windows are already formatted. if you purchase an additional hard to expand the storage of your computer, you may need to format it.please remember that formatting arrases any existing files on a hard disk. if you format a hard disk that has files on it, he files well be deleted, so be careful.
MAKING BACKUPS:
as the name suggests, a file backup is copy a file that is stored in a separate location form the original. backing up our files helps to protect them form being permanently lost or changed in the event we accidentally delete them. VIRUS and WORM attacks and software/hardware failures are other reasons why we need to backup our files. if any of these accidents occur and your files are backed up., you can easily store them.
we should back up anything at would be difficult or impossible to replace, and do it on a regular basis. pictures, videos, documents and records are examples of files that should be backed up.
RESTORING SYSTEM TO PREVIOUS DATES:
a load of viruses (and worms, etc.) attack system file. damage to the file is so great that they connect be saved. sometime, while installing software, an unexpected errorin the computer may cause it to behave strangely. the problem is not even fixed softer the software is uninstalled.the only solution is to restore the system to a previous date.
system restore, a feature of MS windows, regularly creates restore points. these points are saved by data and time, using the system clock. they contain information about system settings, and other information that windows uses. system restore does not affect personal file such as e-mails, documents and photos.
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