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GLOSSARY
GLOSSARY-4 XEROX DOCUPRINT 4850/4890 IPS INSTALLATION PLANNING GUIDE
communication line Telecommunication line connecting devices at one location with
devices at other locations in order to transmit and receive
information.
communication link Physical means (i.e., data link) connecting one location to another to
transmit and receive information.
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.).