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19 Glossary 
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Xerox WorkCentre 7232/7242 System Administration Guide
PDL
An abbreviation of Page-Description Language. This refers to 
a programming language, such as PostScript, that is used to 
describe output to a printer or a display device, which then 
uses the instructions from the PDL to construct text and 
graphics and create the required page image.
Peer-to-Peer
A network environment in which the nodes communicate 
directly with other nodes. Windows for Workgroups, NetWare 
Lite, and Macintosh System 7 are examples of peer-to-peer 
networking products.
PostScript
PostScript is a page description language (PDL) developed by 
Adobe Systems. It is an object-oriented language, meaning 
that it treats images, including fonts, as collections of 
geometrical objects rather than as bitmaps. PostScript is the 
standard for desktop publishing because it is widely supported 
by both hardware and software vendors.
Print driver
See Driver.
Protocol
The rules that control the transmitting and receiving of data.
Queue
A place where jobs are stored temporarily, while they are 
waiting to be processed. A print queue will hold several print 
jobs.
RARP
An abbreviation of Reverse Address Resolution Protocol. This 
is a method for providing IP Addresses to nodes on a network. 
When a node powers up, it broadcasts a RARP packet 
containing its Ethernet Address. The RARP server receives 
the packet and sends the IP Address back to the node.
Router
A device that directs network packets to the segment of the 
network for which the packet is intended, and excludes 
packets that are not intended for a segment. Routers reduce 
unnecessary network traffic and control access to segments 
of the network.
SSDP
An abbreviation of Simple Service Discovery Protocol.
SMB
An abbreviation of Server Message Block. A protocol used to 
to share files or printers on Windows OS.
SNMP
An abbreviation of Simple Network Management Protocol. A 
protocol used to help manage complex networks.
SPX
An abbreviation of Sequenced Packet Exchange. SPX is part 
of NetWare. It makes sure that packets are received in the 
correct order and that there are no errors.
Subnet Mask
A mask used to identify which part of an IP Address is the 
Subnet Address and which part is the host (or device) 
address.
TBCP Filter
An abbreviation of Tagged Binary Control Protocol. This filter 
is only available when PostScript is enabled.