Glossary
143
Glossary
MAC address
Media Access Control (MAC) address is a unique identifier associated with a network
adapter. MAC address is a unique 48-bit identifier usually written as 12 hexadecimal
characters grouped in pairs (e. g., 00-00-0c-34-11-4e). This address is usually hard-
coded into a Network Interface Card (NIC) by its manufacturer, and used as an aid for
routers trying to locate machines on large networks.
MFP
Multi Function Peripheral (MFP) is an office machine that includes the following
functionality in one physical body, so as to have a printer, a copier, a fax, a scanner
and etc.
MH
Modified Huffman (MH) is a compression method for decreasing the amount of data
that needs to be transmitted between the fax machines to transfer the image
recommended by ITU-T T.4. MH is a codebook-based run-length encoding scheme
optimized to efficiently compress white space. As most faxes consist mostly of white
space, this minimizes the transmission time of most faxes.
MMR
Modified Modified READ (MMR) is a compression method recommended by ITU-T
T.6.
Modem
A device that modulates a carrier signal to encode digital information, and also
demodulates such a carrier signal to decode transmitted information.
MR
Modified Read (MR) is a compression method recommended by ITU-T T.4. MR
encodes the first scanned line using MH. The next line is compared to the first, the
differences determined, and then the differences are encoded and transmitted.
NetWare
A network operating system developed by Novell, Inc. It initially used cooperative
multitasking to run various services on a PC, and the network protocols were based
on the archetypal Xerox XNS stack. Today NetWare supports TCP/IP as well as IPX/
SPX.
OPC
Organic Photo Conductor (OPC) is a mechanism that makes a virtual image for print
using a laser beam emitted from a laser printer, and it is usually green or rust colored
and has a cylinder shape.
An imaging unit containing a drum slowly wears the drum surface by its usage in the
printer, and it should be replaced appropriately since it gets worn from contact with
the cartridge development brush, cleaning mechanism, and paper.
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General
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