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Xerox 96MX User Manual

Page 475

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GLOSSARY

XEROX DOCUPRINT 96/DOCUPRINT 96MX LPS PDL REFERENCE

GLOSSARY-21

tab

To move the cursor on a display or printer to a prespecified column
on the display or paper, most often by using the 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).

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.

text string

Consecutive series of characters to be printed exactly as specified in
a command.

throughput

In data processing systems, the amount of data that can be
processed, transmitted, printed, and so on, per a specified unit of
time.

toggle

To switch (alternate) from one tray to another. The system switches
from an active feeder or stacker tray to an inactive one to allow
continuous printing when the proper commands are invoked.

trailer

In data communications, the last portion of a message that signals
the end.