| A | B |
|---|
| IDE | Standard hard drive interface for PC's. Up to 2 Hard Drives |
| Enhanced IDE | Allows for two IDE channels that can each support two devices |
| AT Attachment | commonly known as IDE, the "AT" refers to the IBM-AT comp where this interface was 1st used, AKA-ISA 16bit data bus |
| ATA-33 | An extension to the ATA interface (IDE) that will effeciently double thetop data transfer speed up to 33Mbps. Ultra IDE |
| SCSI | A standard data pathway used mostly for hard drives and CD-ROM |
| Millisecond | One thousandth of a second. Used to measure the access speed of hard drives |
| System Hang | When comp freezes up (key strokes and mouse are ignored) Must turn system completely off |
| POST | Group of ROM BIOS diagnostic tests that are performed on boot up |
| Cold Boot | To turn on comp or to restart comp by turning it off. |
| Warm Boot | To restart(reset) a comp by CTrl+Alt+Del |
| Boot Disk | Written floppy contains comps system start up files |
| Boot Sector | Portion of a disk that contains coded instructions for OS to start comp. |
| Safe Mode | Protection for comp in Win 98' program. It crashes during boot up |
| Scanner | Device used to copy an image to the computer |
| LPT1 | Label used in MS-Dos assigned to parallel port 1 |
| COM1 | Label used in MS-DOS assigned to serial port 1 |
| MTBF | Mean Time Between Failures. Time in hours, predicts failure of a device |
| Drive Interface | A collection of electrical and logical connections between the hard drive and PC |
| LUN | is a unique identifier for sub-devices assigned to a single SCSI ID |
| Display Adapter | A PC expansion board that converts the images created in the comp to the electronic signals required by the moniter |
| VGA | The minimum standard for PC video display, which originated with IBM's PS/2 models in 1987 |
| AT Commands | The modem command set developed by the Hayes company for use on its modems and now used on most modems |
| Asynchronous | a bit synchronization transmission technique that uses start and stop bits |
