| A | B |
|---|
| artifacts | Horizontally torn images on a computer screen |
| blue screen of death (BSOD) | An error screen on a blue background indicating Windows errors that are caused by problems with devices, device drivers, or a corrupted Windows installation |
| brownouts | Temporary reductions in voltage, which can sometimes cause data loss. Also called sags |
| chassis air guide (CAG) | A round air duct that helps to pull and direct fresh air from outside a computer case to the cooler and processor |
| degauss button | A button on some older CRT monitors used to eliminate accumulated or stray magnetic fields |
| dead pixel | A pixel on an LCD monitor that is not working and can appear as small white, black, or colored spots on the computer screen |
| driver store | The location where Windows stores a copy of the driver software when first installing a device |
| Memory Diagnostics (mdsched.exe) | A Windows 7/Vista utility used to test memory |
| sags | brownout |
| uninterruptible power supply (UPS) | A device that raises the voltage when it drops brownouts |
| VGA mode | Standard VGA settings, which include a resolution of 640 × 480 |
| zero-fill | utility A hard drive utility that fills every sector on the drive with zeroes |
