| A | B |
|---|
| IDE | A method of disk drive manufacturing that allocates all the required controller circuitry in the drive itself |
| Enhanced IDE(EIDE) | Allows for 2 IDE channels that can each support 2 devices |
| AT Attachment(ATA) | the "AT" refers to the IBM-AT computer where this interface was first used |
| ATA-33 | an extension to the ATA interface(IDE) that will effectivly double the top data transfer speed up to 33 Mbps, also known as ultra-IDE |
| SCSI | a standard data pahtway 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, usually used to measure the access speed of hard drives |
| System Hang | when a program fails, it usually has an opportunity to display an error or diagnostic |
| POST | a group of ROM BIOS diagnostic tests that are preformed on the system each time it is powered up |
| Cold Boot | To turn on a computer, or restart a computer by turning it off, waiting a few seconds and turning it back on |
| Warm Boot | to restart a computer by pressing Ctrl+Alt+Delete |
| Boot Disk | a write-protected floppy disk that contains the computers system and startup files |
| Boot Sector | a portion of a disk that contains the coded insturctions for the OS to start the computer |
| Safe Mode | this is a windows 95 made that is automatically loaded if windows 95 crashes during boot up |
| Scanner | a device used to copy an image from a physical surface into a computer |
| LPT1 | the label used in MS-DOS assigned to parellel port 1 |
| COM1 | the label used in MS-DOS assigned to seral port 1 |
| MTBF(mean time between failures) | this is a time, normally given in hours, that predicts the failure of a device |
| VGA | stands for Video Graphics Array. the minimum standard for PC video display, which originated with IBM's PS/2 models in 1987 |
| Asynchronous | a bitsynchronization transmission technique that uses start and stop bit |
| AT commands | the modern command set developed by the Hayes company for use on its modems and now used on most modems |
| Display Adapter | a PC expansion board that converts the images created in the computer to the electronics signals required by the monitor |
| 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 sub-devices assigned to a single SCSI ID |
