Glossary AXIS 70U/7000 User’s Manual164GlossaryADF Automatic Document Feeder.AIX Advanced Interactive eXecutive. A version of the UNIX operatingsystem from IBM that runs on various IBM computers includingMainframe systems.ARP Address Resolution Protocol. A protocol within TCP/IP networksthat allows a host to find the physical address of a node on thesame network.Bcc Blind Carbon Copy. Send a copy to the entered Bcc address but donot indicate to the recipient that you have sent this copy.BOOTP Boot Protocol. A TCP/IP protocol, which allows an Internet node todiscover certain startup information such as its IP address.BSD Berkeley Software Distribution. The University of California,Berkeley additions to the UNIX operating system.CCITT G.4 The most common format for compressed TIFF files. Used forviewing and archiving of scanned documents.CMIP Common Management and Information Protocol.DD Document Description.DTC Dynamic Threshold Curve. Image enhancement type (see IPC).DTD Document Type Definition. A specific definition of the rules andsyntax that the DD (Document Description) file must follow.DHCP Dynamic Host Configuration Protocol. A system based on networkinterface card addresses, which is used to allocate IP addresses andother configuration information for networked systems.dither A method to obtain a rasterized effect for pictures, especiallyscanned photos.