M EANING A backup or the process of backing up is making copies of data which may be used to restore the original after a data loss event. Chutipon Hirankanokkul

P URPOSE Backups have two purposes. 1.) The primary purpose is to recover data after its loss, be it by data deletion or corruption 2.) The secondary purpose of backups is to recover data from an earlier time, according to a user- defined data retention policy, typically configured within a backup application for how long copies of data are required. Chutipon Hirankanokkul

A DVANTAGE Survey data and system files are out early. What to do after you use your computer for some time. For backing up data using the device. Sure, I minimize. Risk of data loss may be another step. That is because you have more than one backup. This may not be the only device on the hard drive for backup. Current information include hard drive external through a USB port, tape backups, which are often used to backup large Zip drive (Zip Drive) recorder, DVD / CD, but also the use of flash memory. memory capacity. Bundit Thientavorn

D ISADVANTAGE You use the Windows operating system. There's a tool or utility for backing up data and the time to check back. To repair. (This article refers to Windows XP users are). The risk that data and system files get corrupted if you start to fall. Back up now. Without looking for tools or external help, it is also related. Bundit Thientavorn

C ONCLUSION After deleting all the information you need to store important data or backup data is not deleted. You can use program by Backup Utility by go to Start->All Programs -> Accessories -> System Tools ->Backup Pongpon Pinijsakkul