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GLOSSARY
XEROX DOCUPRINT 180 LPS SYSTEM GENERATION GUIDE
GLOSSARY-21
system page
Maximum area in which text and graphics can be imaged on a
printing system.
system software
Software programs that support and/or control system functions by
governing hardware operation and input/output processes,
interpreting source programs and breaking them down into machine
language, distributing tasks among various processors, and so on.
tab
To move the cursor on a display or printer to a prespecified column
on the display or paper, most often by using the <TAB> key on a
keyboard.
tape
Recording media for data or computer programs. Tape can be in
permanent form, such as perforated paper tape. Generally, tape is
used as a mass storage medium in magnetic form and has a far
higher storage capacity than disk storage, but it takes longer to write
or recover data from tape than from disk.
tape density
The number of characters that can be stored on magnetic media,
such as how close together data can be recorded. The Xerox LPS
may use either 1600 bpi or 6250 bpi density magnetic media.
tape drive
Input/output device that controls the movement of magnetic storage
tape past the read/write head while data is accessed or stored.
task
1. Any major job performed by a computer. 2. One of several
programs being executed by a system.
telecommunications
Voice or data communications transmitted and received through
telephone lines.
teleprocessing
Sending and receiving data through telecommunication lines for
processing among various remote terminals and the central
processing unit (CPU).
TEM
terminal emulation mode. The processing method of the PC UI which
features a character display and the operator’s use of the keyboard.
The mouse, windows, and icons are inactive in this mode. The PC UI
operates in either the TEM mode or in the object mode. See also
object mode.
terminal
Device equipped with a keyboard and connected to a computer or a
network
testing
1. Process of running a program for the express purpose of
discovering any errors it may contain. 2. For computer-oriented
systems, the process of verifying a system’s ability to meet
performance objectives in a simulated environment or validating its
actual performance in a live environment.
text
In communications, the content portion of a transmitted message.
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