Xerox 180 IPS manual Glossary, GLOSSARY-4

GLOSSARY

compatibility Characteristic of computer equipment permitting one device to use the same information or programs as another device without conversion or code modification.

compile To translate instructions written in high-level language into machine language for execution by a system.

concatenate To connect or link in a series, as when files are grouped together for faster processing. Refer to job concatenation mode.

console Functional unit containing devices used by an operator to communicate with an IOT. It may consist of a display, keyboard, and certain switches or other controls.

control program An operating system program that manages job flow, input/output processing, and other overall system functions and resources.

daemon A task that runs continually in conjunction with the UNIX operating system that periodically checks for specific conditions or logical events and performs some action if the conditions are met. The task can be used to display and notify the operator of such conditions.

database Information to meet specific processing and retrieval needs. Generally applies to integrated file of data, arranged for access by many subsystems.

data communications Transmission and reception of encoded information over telecommunication lines.

data file Collection of related data records organized in a specific manner so that each record is similarly structured, e.g., a payroll file set up with one record for each employee, last name first, indicating the rate of pay and all deductions.

data link Physical means of connecting one location with another for communication, i.e., the communications lines, modems, and controls which transmit information between two or more stations.

data rate In data communications, the rate at which a channel carries data, measured in bps (bits per second).

data storage Preservation of data on various media (e.g., tape, disks, magnetic bubble memory, etc.).

data stream Format of data passed from one device to another.

data transmission Transmission of coded data over telephone or other telecommunication lines.

DCIM Data Control Interface Module. The video interface hardware which resides in the SUN workstation (the DCIM replaces the XEPI board).

GLOSSARY-4 XEROX DOCUPRINT 96/4635/180 IPS INSTALLATION PLANNING GUIDE