Glossary 7
mode
A method of operation; for example, the NEC Versa operates in either nor-
mal or power-saving modes.
modem
MOdulator-DEModulator. A device that links computers over a telephone
line.
MPEG
A compression/decompression video standard developed by a professional
video group called the Motion Picture Experts Group. MPEG produces full-
screen, broadcast-quality digital video and allows you to play full-screen
video on your system.
multimedia
Computer technology that integrates different forms of media such as sound,
text, graphics, and video.
N
nonvolatile memory
Storage media that retains its data when system power is turned off. Non-
volatile memory in the NEC Versa is a complementary metal oxide semicon-
ductor (CMOS) chip which is backed up by an internal battery. The backup
battery preserves the clock/calendar data and system configuration parame-
ters stored in CMOS. (See volatile memory.)
NTSC
The type of transmission mode used in the United States, Canada, Japan,
and other countries for television signals. (See also PAL.)
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.
