254
w
w
w
.d
e
ll
.co
m
|
s
u
p
p
o
rt
.d
e
ll.c
o
m
fully populated. All Rambus slots in a system must be filled with either a
RIMM or a CRIMM.
D
D-Sub
See
Subminiature-D
.
DAT
Digital audio tape
. A type of magnetic tape originally designed for audio
format, now also used in computers to back up data. DAT cassettes are about
the physical size of audio cassettes and can store numerous
GB
of data.
Data Striping
The segmentation of logically sequential data, such as a single file, so that
segments can be written to multiple
devices
, usually hard drives, in a round-
robin manner. This method is useful if the
microprocessor
is capable of
transferring data faster than a single drive can supply or accept it. While data
is being transferred from the first drive, the second drive can locate the next
segment.
dB
Decibel(s)
. A measurement of relative loudness of a sound or, in electronics,
for the relative difference between two power levels.
DC
Direct current
. An electric current flowing in one direction only. See
AC
.
DCE
Data communication equipment
. In computer data transmission, DCE is the
RS-232
interface that a modem or other
serial
device uses to exchange data
with the computer. See also
DTE
.
Device
Any piece of equipment that is not part of the essential computer (such as
the
microprocessor
,
RAM
, and data
buses
) but is connected to or installed in
the computer. Some devices are installed inside the main part of the
computer, such as the hard drive,
CD
drive, and
network adapter
. Other
devices are outside the computer, such as the printer, but are attached by a
cable or wireless connection.
DIMM
Dual in-line memory module
. A slim circuit board containing
RAM
chips, as
does a
SIMM
. DIMMs normally have 168 pins. See also
RIMM
.
Summary of Contents for OptiPlex GX50
Page 1: ...w w w d e l l c o m s u p p o r t d e l l c o m Dell OptiPlex GX50 Systems User s Guide ...
Page 10: ...x Contents ...
Page 40: ...38 Abo u t You r C o mp u t er w w w d e l l c o m s u p p o r t d e l l c o m ...
Page 113: ...Installing Upgrades 111 1 Floppy drive cable 2 Lever 1 2 ...
Page 117: ...Installing Upgrades 115 S ma l l D es k t op C om p u te r Small Mini Tow er Comput er ...
Page 136: ...134 Ins ta l l i n g Up g r a d es w w w d e l l c o m s u p p o r t d e l l c o m ...
Page 154: ...152 Microsoft Windows XP Features w w w d e l l c o m s u p p o r t d e l l c o m ...
Page 162: ...160 Te c h n ic a l Sp e c if ic a tio n s w w w d e l l c o m s u p p o r t d e l l c o m ...
Page 210: ...208 So lv ing Pr o ble m s w w w d e l l c o m s u p p o r t d e l l c o m ...
Page 232: ...230 Ge tt ing Help w w w d e l l c o m s u p p o r t d e l l c o m ...