Conventional memory – Dell PowerEdge 4400 User Manual
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A chip or expansion card that controls the transfer of data between the microprocessor and a peripheral such as a diskette drive or the keyboard.
conventional memory
The first 640 KB of RAM. Unless they are specially designed, MS-DOS programs are limited to running in conventional memory. See also
,
,
coprocessor
A coprocessor relieves the computer's microprocessor of specific processing tasks. A math coprocessor, for example, handles numeric
processing. A graphics coprocessor handles video rendering. The Intel
® Pentium® microprocessor includes an integrated math coprocessor.
cpi
Abbreviation for characters per inch.
CPU
Abbreviation for central processing unit. See also
.
cursor
In character-based MS-DOS programs, the cursor is usually a block or an underscore (possibly blinking) that represents the position at which the
next character typed will appear. Windows programs can design their own cursors
—common cursor symbols include the pointer arrow and the
text-insertion I-beam.
D
DAC
Acronym for digital-to-analog converter.
DAT
Acronym for digital audio tape.
dB
Abbreviation for decibel(s).
dBA
Abbreviation for adjusted decibel(s).
DC
Abbreviation for direct current.
DDC
Acronym for display data channel. A VESA
® standard mechanism that allows the system to communicate with the monitor and retrieve information
about its capabilities.
device driver
A device driver allows the operating system or a program to interface correctly with a peripheral such as a printer or network card. Some device
drivers
—such as network drivers—must be loaded from the config.sys file (with a device= statement) or as memory-resident programs (usually,
from the autoexec.bat file). Others
—such as video drivers—must load when you start the program for which they were designed.
DHCP
Acronym for Dynamic Host Configuration Protocol.
diagnostics
See
DIMM
Acronym for dual in-line memory module.
DIN