Users Guide

108 Glossary
TCP/IP
Abbreviation for Transmission Control
Protocol/Internet Protocol. A system for transferring
information over a computer network containing
dissimilar systems, such as systems running Windows
and UNIX.
text editor
An application program for editing text files consisting
exclusively of ASCII characters. Windows Notepad is
a text editor, for example. Most word processors use
proprietary file formats containing binary characters,
although some can read and write text files.
text mode
A video mode that can be defined as x columns by y
rows of characters.
UART
Acronym for universal asynchronous
receiver-transmitter. The UART is a system component
that handles asynchronous serial communication by
converting parallel bytes from the processor into serial
bits for transmission (and vice versa).
unicode
A fixed width, 16-bit world wide character encoding,
developed and maintained by the Unicode Consortium.
URL
Abbreviation for Uniform Resource Locator (formerly
Universal Resource Locator).
USB
Abbreviation for Universal Serial Bus. A USB connector
provides a single connection point for multiple
USB-compliant devices, such as mice, keyboards,
printers, and computer speakers. USB devices can also be
connected and disconnected while the system is running.
utility
A program used to manage system resources—
memory, disk drives, or printers, for example.
utility partition
A bootable partition on the hard drive that provides
utilities and diagnostics for your hardware and
software. When activated, the partition boots and
provides an executable environment for the
partition's utilities.
UUID
Abbreviation for Universal Unique Identification.
variable
A component of a managed object. A temperature
probe, for example, has a variable to describe its
capabilities, its health or status, and certain indexes
that you can use to help you in locating the right
temperature probe.
VESA
Acronym for Video Electronics Standards Association.
virtual memory
A method for increasing addressable RAM by using the
hard drive. For example, in a system with 16 MB of
RAM and 16 MB of virtual memory set up on the hard
drive, the operating system would manage the system
as though it had 32 MB of physical RAM.
VT-100
Abbreviation for Video Terminal 100, which is used by
the most common terminal emulation programs.
WAN
Abbreviation for wide area network.