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GLOSSARY
GLOSSARY-14 XEROX DOCUPRINT 180 LPS PDL REFERENCE
media Vehicles or devices by which information is stored or transmitted.
Classifications include source, input, and output.
medium Object or material on which data is stored, for example, magnetic
tape or floppy disk.
memory Space in a device where information is kept, or the ability of a device
to keep information until needed.
menu List of available functions, commands, and options.
message Unit of information transmitted by one facility to another in a form that
the receiving facility can understand and act upon. The standard
message format consists of a header (containing identifying and
control information), followed by the actual message content,
followed by a trailer (indicating that the message is completed).
metacode Same as “native mode.” The method of speaking to and controlling
the image generator. These controls are used by the character
dispatcher to generate scan line information. This information is sent
in the form of character specifications to the image generator, which
uses it to compose the bit stream that modulates the laser.
MHz megahertz. 1. Unit of cycling speed (one million cycles per second)
for an electromagnetic wave (in particular, a radio wave). 2. Sending
and receiving stations of a radio wave transmission must be tuned in
to the same unit of megahertz.
mode Manner in which an activity or process is carried out.
modem Device that converts digital information into an analog signal suitable
for sending over analog telecommunication lines. Also converts an
analog signal from telecommunication lines into digital information.
module Cohesive unit within a program. It is consistent in its level and
identifiable in terms of loading or with other units.
mouse Electronic device used with the PC UI to select options and enter
data.
mouse pad Base that provides friction and direction information to the electronic
mouse.
mouse tray Optional extension module attached to the system controller to
accommodate the mouse pad and provide ample working space.
network 1. System of geographically separate computers, linked to one
another over transmission lines. 2. Communication lines connecting
a computer to its remote terminals.