4 Glossary
LCD
Liquid Crystal Display. An LCD consists of a thin sandwich of two glass plates
with sealed edges, containing nematic liquid-crystal material that forms the screen
image. The NEC Versa displays are LCD type.
load
To copy a program into the computer's memory from a storage device.
M
megabyte
(MB) 1,048,576 bytes.
memory
Electronic storage area in a computer that retains information and programs. A
computer has two types of memory — read-only memory (ROM) and random
access memory (RAM).
menu
A video display of programs or options.
microprocessor
A semiconductor central processing unit that is the principal component of a
microcomputer. Usually contained on a single chip that includes an arithmetic logic
unit, control logic, and control-memory unit.
mode
A method of operation; for example, the NEC Versa operates in either normal or
power-saving modes.
modem
MOdulator-DEModulator. A device that links computers over a telephone line.
N
nonvolatile memory
Storage media that retains its data when system power is turned off. Nonvolatile
memory in the NEC Versa is a complementary metal oxide semiconductor (CMOS)
chip which is backed up by an internal battery. The backup battery
preserves the clock/calendar data and system configuration parameters stored in
CMOS. See volatile memory.
O
operating system
Set of programs that manage the overall operation of the computer.
overwrite
Storing information at a location where information is already stored, thus
destroying the original information.
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