8 Glossary
modem
MOdulator-DEModulator. A device that links computers over a telephone
line.
multimedia
Computer technology that integrates different forms of media such as sound,
text, graphics, and video.
multimedia extensions (MMX)
Intel’s MultiMedia Extensions technology that speeds audio, video, and 3D
graphics processing, ultimately providing more distinct sound and visuals
for your presentations.
N
nonvolatile memory
Storage media that retains its data when system power is turned off. Non-
volatile memory in the 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.
Optical diskette
A storage medium from which data is read and to which it is written by la-
sers.
overwrite
Storing information at a location where information is already stored, thus
destroying the original information.
P
page
A type of message transmission in which a message is sent or received via
modem to a paging device from a computer (with paging communications
software) or telephone.
