| A | B |
|---|
| IDE | A method of disk drive manufacturing that allocated all the required controller circuitry in the drive itself. |
| Enhanced IDE | Allows for 2 IDE channels that can each support 2 devices. |
| AT Attachment | More commonly known as IDE, the "AT" refers to the COM-AT computer where this interface was first used. |
| ATA-33 | An extention to the ATA interface (IDE) that will effectively double he top data transfer speed up to 33Mbps. |
| SCSI | Small comp standard interface. A standard in data pathway used mostly for hard drives and CD-roms. |
| Millisecond | 1/1000 of a second. Usually used to measure the access speed of Hard Drives |
| POST | Power-on Self Test. A group of ROM BIOS diagnostic tests each are preformed on the system each time it is powered up. |
| Cold Boot | To turn on computer by turning it off, waiting a few seconds and turning it on again. |
| Warm Boot | To restart a computer by pressing CTRL+ALT+APPLE+ESC |
| Boot Disk | A write protected floppy disk that contains the comps system and startup files. |
| Boot Sector | A portion of a disk that contains the coded instructions for the OS to start the computer. |
| LPT1 | The label used in MS-DOS assigned to parallel port 1. |
| COM1 | The label used in MS-DOS assigned to serial port 1. |
| MTBF | Mean time between failures. This is a time, normally given in hours, that predicts the failure of a device. |
| System Hang | When a program fails, it usually has an opportunity to display an error or diagnostic message. If the entire system fails, such a message will not appear. |
| Safe Mode | This is a Windoze 95 mode that automatically loads if Windoze 95 crashes durring boot up. |
| Scanner | A device used to copy an image from a physical source (such as a photo) into a computer. |
| Drive Interface | A collection of electrical and logical connections between a hard drive and a pc. |
| LUN | Logical Unit Number is a unique identifier for subdevices assigned to a single SCSI ID. |
| Display Adapter | A PC expantion board that converts the images created in the computer to electronic signals required by the monitor. |
| VGA | Stands for Video Graphics Array. The minimum standard for PC video display, which organized 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. |
