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CD-ROM reader
Compact Disc Read-Only Memory. A computer-controlled
device that reads high-capacity optical discs and sends the
output to the computer.
clock
Electronic timer used to synchronize computer operations.
CMOS
Complementary Metal Oxide Semiconductor. A chip that
contains nonvolatile memory in the Versa. CMOS is backed
up by an internal battery that preserves clock/calendar data
and system configuration parameters stored in CMOS.
cold boot
Process of starting up the computer by turning on the
power. If power is already on, the process means to turn off
the computer and turn it on again. A cold boot reinitializes
all devices.
crt
Cathode-Ray Tube. A type of display screen used in desk-
top monitors. It forms the screen image using tiny dots
called, pixels. See also
.
LCD
cursor
A movable image on the display screen that indicates where
the next entered data appears.
D
default
A value, option, or setting that the computer automatically
selects until you direct it otherwise.
Glossary 3
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