| A | B |
|---|
| IDE | Integrated Drive Electronics; method of desk drive manufacturing that allocates all the required controller circuitry in the drive itself. |
| Enhanced IDE (EIDE) | Allows for two IDE channels that can each support two devices |
| AT Attachment (ATA) | aka IDE, "AT" refers to the IBM-AT Computer wehre this interface was last used. AKA ISA Bus; 16-bit data bus |
| ATA-33 | Extension ATA Interface (IDE) that will effectively double the top data transfer speed up to 33 Mbps AKA Ultra IDE |
| SCSI | small computer standard interface; pathway used mostly for hard drives and CD-ROM drives, but also a common interface for scanners and sometimes printers |
| Millisecond | one thousandth of a second, used to measure the access speed of hard drives |
| System Hang | program fails; diplays error or dialogue message, entire system fails no message and input block and you need to restart by turning system completely off |
| POST | Power On Self Test; group of ROM BIOS diagnosis tests that are performed on the system each time it is powered up |
| Cold Boot | to turn on a computer or to restart a computer by turning it off, waiting a few seconds and turning it on again |
| Warm Boot | To restart with Ctrl Alt Delete |
| Boot Disk | a write protected floppy disk that contains the computer's system and start-up file |
| Boot Sector | A portion of a disk that has instructions for the OS to start the computer |
| Safe Mode | windoes 95 mode that is automatically loaded if Windows 95 crashed during bootup or by pressing F8 |
| Scanner | a device used to copy an image from a physical source into a computer |
| LPT1 | the label used in MS-DOS assigned to parallel port |
| COM1 | The label used in MS-DOS assigned to port 1 |
| MTBF | Mean time between failure- this is a time, given in hours, that predicts the failure of a device |
| Drive Interface | a collection of electrical and logical connections between a hard drive and a PC |
| LUN | Logical Unit Number is unique identifier for sub devices assigned to a single SCSI ID |
| Display Adapter | A PC expansion board that converts the images created in the computer to the electronics signals required by the monitor |
| VGA | stands for Video Graphics Array. The minimum standard for PC Video display, whihc originated with IBM's PS/2 models in 1987 |
| AT commands | The modem commands 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 |
