HP Vectra XU 6/XXX, User Manual

Page: 153 / 168

Glossary
English 141
RAM Random Access Memory. This
memory is used to hold programs and
data temporarily.
resolution A measure of the visible
detail on a screen or printout. Screen
resolution is measured in ‘pixels
across’ by ‘pixels down’ by ‘number of
colors’. Printer resolution is measured
in dpi (dots-per-inch).
ROM Read-Only Memory. Computer
memory used to store parts of the
computer’s operating system
permanently. ROM chips can contain
instructions and data.
SCAM SCSI Configured
Automatically. A protocol which
automatically assigns device IDs to
SCSI devices which support SCAM.
SCSI Small Computer System
Interface. A high-speed data bus used
for connecting hard disks, tape drives,
and other accessories to your
computer.
SCSI chain Devices connected on a
single SCSI bus.
Setup program Used to inform the
computer about its configuration, for
example the amount of memory
installed. The setup program is stored
in ROM on the system board.
shadow RAM A method of
relocating the system and/or video
BIOS from slower ROM chips to faster
RAM to improve system performance.
SIMM Single In-line Memory
Module. These memory modules can
provide a 32-bit data path.
Sound files Files containing sound
data. Sound files are usually stored in
one of four formats, with the
extension .WAV, .MID, .VOC, or .CMF.
terminator A resistor at the end of a
SCSI cable that prevents the signal
from reflecting back along the cable.
video controller A chip or
expansion card which converts
signals in the computer into
displayable signals.
video RAM
Memory that enables or
speeds up drawing to the screen or
increases resolution or color options.
VOC files Proprietary digital audio
format developed by Creative Labs,
Inc. Most digital audio adheres to the
Microsoft WAV format.
WAV files A Microsoft file format for
storing digital audio data.
Windows RAM (WRAM) Dual-
ported memory, which allows for
simultaneous input of data from the
graphics controller and output of data
to the display.