Users Guide

Glossary 183
TSOP
Abbreviation for thin small outline package. A very thin, plastic, rectangular
surface mount chip package with gull-wing pins on its two short sides.
UDP
Abbreviation for user datagram protocol.
UMB
Abbreviation for upper memory blocks.
unicode
A fixed width, 16-bit world wide character encoding, developed and maintained
by the Unicode Consortium.
upper memory area
The 384 KB of RAM located between 640 KB and 1MB. If the system has an
Intel386 or higher microprocessor, a utility called a memory manager can create
UMBs in the upper memory area, in which you can load device drivers and
memory-resident programs.
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.
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.
varbind
An algorithm used to assign an object identifier (OID). The varbind gives rules
for arriving at the decimal prefix that uniquely identifies an enterprise, as well as