| A | B |
|---|
| ide | method of disk drive manufacturing that allocates all the feqired controller circuitry in the drive it self.standard harddrive interface for pc's. can connect a maximum of 2 harddrives to an IDEconnection or channel |
| eide | allows for2 IDE channels that can each support 2 devices |
| at attachment,ata. | at-the IBM-at computer where this interface was first used. also known as IDE and IDE bus -16-bit data bus |
| ata-33 | extention to the ata interface (IDE) that will effectively double the top data transfer speed up to 33 mbps. also known as ultra IDE. |
| SCSI | strandard data pathway used mostly for hard drives and cd-roms also interface for scanners some times computers |
| millisecond | 1-thousandth of a second usually used to mesure acces speed of hard drive |
| system hang | when program fails,usually has time to desplay error or dignost message if entire system fails such message will not appear system will not respond to strocks or clicks in worst case most shut down system to restart |
| post | power on self test-group of rombios diagnostic test that are pierformed on sysyem each time it is powered up |
| cold boot | to turn on computer or restart by turning off computer and turning on again. |
| warm boot | reset/restart computer by pressing ctrl alt delete |
| boot disk | write protection floppy disk that contains the computers system and startup files |
| boot sector | portion of a disk that contains the coded instructions for the os to start computer |
| safe mode | windows 95 mode that is automatically loaded if windows 98 craches during boot-up can acces safe mode any time if you press the f8 key when the screan says "loading windows 95 |
| scanner | device used to copy an image from a physical source such as a photograph into a computer |
| lpt 1 | lable used in ms-dos assigned to parall port 1 |
| com1 | lable used in ms-dos ,serial port 1 |
| mtbf | mean time between for lures. this is a time normally given in hours that predicts the faliure of a device |
| drive interface | collection of electical and logical connections between a hard drive and a pc |
| lUN | logical unit number is a unique indentifier for subdevices to a signal scsi id |
| display adapter | pc expanstion board that converts the image created in the computer to the electronic signal required by the monoter |
| vga | minimum standard for pc video display which orignated with IBM's PS/2 model in 1987 |
| at comands | modem command set developed by the hayes company for use on it's modems and now used on most modems |
| asychronous | a bit synchronized transmission teqnic taht satart and stop bits |
