| A | B |
|---|
| corrupted file | A file that is damaged and either won't open, doesn't work properly, or interferes with other software. |
| head crash | One of the most disastrous events that can strike your computer. |
| surge strips | These can prevent power spikes from damaging sensitive electronic components. |
| UPS | Stores power in its battery, which can be used in the event of a power outage |
| restore points | A snapshot of your computer's system files at a given point in time. |
| worms | Spread from one computer to another allowing hackers access to your hard disk. |
| antivirus software | Works in the background whenever your computer is on to fight against viruses. |
| virus signature | series of unique bytes, like a fingerprint |
| backup | combines selected files into one large compressed file that has to be stored somewhere other than its original loation |
| virus | A small computer program that can attach itself to legitimate computer programs, replicate itself to other programs, and deliver payloads. |
| backup software | A set of utility programs designed to combine to combine all the files you choose to back up into a single large file, which is then compressed to make it smaller. |
| full system backup | Essentially a mirror image of your entire hard disk |
| incremental backups | Makes copies only of files that have changed since your last backup |
| Windows Installation disc | Can be used to start your computer if it doesn't boot, or it can be used to completely reinstall Windows when rebuilding an entire disk. |
| System Recovery discs | Returns your compuer to its factory-nrew status |
| System Restore | repairs operating system files and reverts settings back to an earlier point in time when the computer was workign properly |
