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Glossary
IPX/SPX
IPX/SPX stands for Internet Packet Exchange/Sequenced Packet Exchange. It is a
networking protocol used by the Novell NetWare operating systems. IPX and SPX
both provide connection services similar to TCP/IP, with the IPX protocol having
similarities to IP, and SPX having similarities to TCP. IPX/SPX was primarily designed
for local area networks (LANs), and is a very efficient protocol for this purpose
(typically its performance exceeds that of TCP/IP on a LAN).
ISO
The International Organization for Standardization (ISO) is an international standard-
setting body composed of representatives from national standards bodies. It
produces world-wide industrial and commercial standards.
ITU-T
The International Telecommunication Union is an international organization
established to standardize and regulate international radio and
telecommunications. Its main tasks include standardization, allocation of the radio
spectrum, and organizing interconnection arrangements between different
countries to allow international phone calls. A -T out of ITU-T indicates
telecommunication.
ITU-T No. 1 chart
Standardized test chart published by ITU-T for document facsimile transmissions.
JBIG
Joint Bi-level Image Experts Group (JBIG) is an image compression standard with no
loss of accuracy or quality, which was designed for compression of binary images,
particularly for faxes, but can also be used on other images.
JPEG
Joint Photographic Experts Group (JPEG) is a most commonly used standard method
of lossy compression for photographic images. It is the format used for storing and
transmitting photographs on the World Wide Web.
LDAP
The Lightweight Directory Access Protocol (LDAP) is a networking protocol for
querying and modifying directory services running over TCP/IP.
LED
A Light-Emitting Diode (LED) is a semiconductor device that indicates the status of a
machine.