![]() ![]() Program installation conflicts can make applications or files unusable, and software bugs can accidentally delete files and folders. ![]() You may mistakenly delete files, or a virus may corrupt or encrypt them. File system corruption can damage directory structures and cause entire folders to disappear. Software problems can also damage your files. Hardware malfunctions are not the only reason to maintain backups. An electrical short or physical damage (especially when it comes to laptops and mobile devices) can cause data to become unrecoverable, so it's wise to maintain backups of important files on multiple devices. ![]() However, like all electronic devices, they are not immune to problems. Most computer components, like hard drives and solid-state drives, can run for years without crashing. Better yet, you could save the backups to a USB flash drive, which would also protect the files if the hard drive failed, or even save a copy to a cloud storage site in case an accident causes damage to both the computer and flash drive. For example, you may save several copies of a research paper on your computer as backup files in case you decide to use a previous revision. Backup is the most important computer term you should know.Ī backup is a copy of one or more files created as an alternate in case the original data is lost or becomes unusable. ![]()
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