NEC Versa LXi Series Service And Reference Manual page 87

C
clock
Electronic timer used to synchronize computer operations.
CMOS
Complementary Metal Oxide Semiconductor. A chip that contains non-volatile memory in
the NEC 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 desktop 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
diskette
A thin flexible platter coated with a magnetic material for storing information.
diskette drive
A magnetic drive that writes on and retrieves data from a diskette.
DSTN
Double-Scan Super-Twisted Nematic. A type of technology used in some NEC Versa LCD
screen displays.
E
enhanced VGA
A video interface that offers more colours or higher resolution than VGA.
extended RAM
The area of RAM above the first megabyte of memory in the system available for
enhancing system performance.
F
function key
The set of keys on the keyboard (usually F1 through F12) that let you get help and error
message information or quickly select frequently used commands.
2 Glossary