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boot
To start up a computer. See cold boot and warm boot.
bus
An electronic circuit within a computer used for transmit-
ting data or electrical power from one device to another.
byte
Group of eight contiguous bits.
C
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 lithium 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.
Glossary-2
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