Glossary

adapter An accessory board, that connects to the system board via an accessory board slot.

BBS Bulletin Board System. A computer that uses a modem and software to serve as an information source for other computers equipped with a modem. Hewlett-Packard has a BBS that can be reached at +1 (408) 553-3500.

BIOS Basic Input-Output System. Software that provides an interface between the computer hardware and the operating system.

bus An electrical connection over which information is transported.

cache A block of high-speed memory used for the temporary storage of data.

CD-ROMCompact Disc Read Only Memory. A mass storage device that uses compact disc technology. CDs can store data, but most cannot be written to.

CMOS memory An area of your computer’s memory whose contents are preserved when you turn off the computer. CMOS memory stores information that must be maintained, such as your computer’s configuration.

controller A device that enables another device (such as a hard disk) to communicate with the computer.

device driver Software that enables the computer to interface with a specific peripheral, such as a printer or display.

EPA energy star program A standard for power management which requires automatic power- down to less than 30 W.

expansion slot A slot inside the computer, connected to the system board, that can be used for accessory boards.

extended memory Memory which can be addressed by the processor in the area of memory above the first 1 MB.

HP Utilities Software provided by Hewlett-Packard to perform certain tasks, for example, changing the date and time.

IDE Integrated Device Electronics. An interface standard for communications between the computer and a hard disk or CD-ROM.

IRQ Interrupt Request. A signal, which, when received by the processor, halts the current process and allows a different task to be undertaken.

jumper An electrically-conductive part that is used to connect two or more points on a circuit board.

Commonly used to select configuration options.

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