| A | B |
|---|
| Safe mode | this is a win 95 mode that is automatically loaded if windows )S crashes during boot mode. You can access safe mode anytime if you press f8 key when the screen sasys loading windows |
| Scanner | A device used to copy an imagine from a physical source into a computer |
| IDE | Integrated drive electronics. A method of disk drive manufactuing that allocates all the required controller circuitry in the drive intself. IDE is the standard hard drive interface for PCs. You can connect a hard drive interface for PCs. You can connect a maximim of two devices to an IDE connection or channel |
| EIDE | Allows for two IDe channels that can each support two devices |
| AT attachment | more commonly known as IDE, the AT refers to the IBM-AT computer where this interface was first used. Also known as the ISA bus. This is a 16-bit data bus |
| ATA-33 | An extension to the ATA interface (IDE) that will effectively double the top data transfer speed up to 33 mnps. Also known as untra IDE |
| SCSI | Small computer standard interface. A standard data pathway unsed mostly for hardrives and devices, common interface for scanners |
| Millisecond | One thousandths of a second. usually used to measure the accesss speed of hard drives |
| system hang | wHEN A PROGAM FAILS IT USUALLY HAS AN OPPURTUNITY TO DISPLAY AN ERROR OR DIAGNOSTIC MESSAGE. iF THE ENTIRE EYETEM FAILS, SUCH A MESSAGE WILL NOT APPAEAR AND INPUT IS USUALLY BLOCKED. iN THE WORST CASES, THE SYSTEM CANNOT BE RESTORED WITHOUT TURNING SYSTEM OFF |
| 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 to restart a computer by turning it off, waiting a few seconds and turning it on again |
| Warm boot | to restart a computer by pressing control alt delete |
| Boot disk | A write protected floppy disk that contains the computer's system & 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 |
| MTBF | This is a time, normally given in hours, that predicts the failure of a device |
| Display adapter | A PC expansion board that converts the images created in the computer to the electronic signals required by the monitor |
| LUN | Logical Unit Number is a unique identifier for subevices assigned to a single SCSI ID |
| Drive interface | A collection of electrical and logical connections between a hard drive and a PC |
| VGA | the minimum standard for PC video display, whihc orginated with IBMs Ps/2 models in 1987 |
| AT commands | The modem command set developed by the hayes comapny for use on its modems and now used on most modems |
| Asynchronous | A bit synchronization transmission technique that uses start and stop bits |
