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| IDE | Integrated Drive Electronics. A method of disk drive manufacturing that allocates all the required controller circuitry in the drive itself. ___ is the standard hard drive interface for PCs. You can connect a maximum of 2 hard drives to a(n) ___ connection or channel. |
| Enhanced IDE | Allows for two IDE channels that can each support two devices. |
| AT Attachment | More commonly known as the IDE, the ___ 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 the ATA interface(IDE) that will effectively double the top data transfer speed up to 33Mbps. Also know as the Ultra IDE. |
| SCSI | Small Computer Standard Interface. A standard data pathway used mostly for hard drives and CD-ROM drices 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 message. If the entire system fails, such a message will not appear and input is usually blocked. In the worst cases the system cannot be restarted without turning the system off completely. |
| POST | Power-on Self Test. A group of ROM BIOS diagnostic 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(reset) a computer by pressing ctrl+alt+delete. |
| Boot Disk | A write-protected floppy disk that contains the computer's system and startup files. |
| Boot Sector | A portion of a disk that contains the coded instructions for the Operating System to start the computer. |
| Safe Mode | This is a Windows 95 mode that is automatically loaded if Windows 95 crashes during boot up. You can acces Safe Mode any time by pressing the F8 key when the screen says "Loding Windows 95." |
| 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 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 | A high-speed bus developed by apple and texas instruments that allows for the connection of up to 63 devices |
| Asynchronous | uses a single device for clocking and all other devices set their internal clocks to this one device. |
| Drive Interface | A collection of electrical and logical connections between a hard drive and a PC. |
| AT Commands | The modem command set developed by the hayes comapny for use on its modems and now used on most modems |
| VGA | The minimum standard for PC video display, which originated with IBM's PS/2 models in 1987 |
