TROY Group 100S manual Appendix D, Dlc/Llc, Dma, Dos, Eio

Appendix D	Glossary
	DLC/LLC
	A protocol used for printing on Windows for Workgroups, LAN Manager, and other network operating systems;
	being phased out in favor of newer protocols like Windows 95 Peer-to-Peer direct mode IPX and TCP/IP.
	DMA
	Direct Memory Access is high performance computer architecture in which data is transferred in large blocks
	between the processor's memory and an external device without any processor intervention.
	DOS
	Disk Operating System now commonly refers to the PC operating system developed by Microsoft that is
	officially called MS-DOS.
	Download
	The process of copying firmware or software from one computer to another computer or other device on the
	network (such as a print server).
	Driver
	Low-level software that interfaces a hardware device such as a printer to the computer's operating system. The
	driver allows programs running on the computer to access the hardware device in a relatively simple manner.
	Duplex Printing
	Printing on both sides of a sheet of paper.
	EIO
	The internal bus used by the latest HP printers like the HP LaserJet 4000, 5000, and 8000 series printers.
	Escape Sequence
	A series of characters, usually starting with the ESCAPE character (ASCII 27) that is used to control a printer or
	print job.
	Ethernet
	The most popular Local Area Network standard, which was developed originally by Xerox, Intel, and Digital
	Equipment Corporation. It operates at a speed of 10 million bits per second.

PocketPro 100S Administrator’s Guide -- Document #40165-110 Rev. A D-5