Information Technology Reference
In-Depth Information
user documentation
Written
descriptions developed for people who
use a program, showing users, in easy-
to-understand terms, how the program
can and should be used.
virtual workgroups
Teams of people
located around the world working on
common problems.
Web site development tools
Tools
used to develop a Web site, including
HTML or visual Web page editor,
software development kits, and Web
page upload support.
virus
A computer program file capable
of attaching to disks or other files and
replicating itself repeatedly, typically
without the user's knowledge or
permission.
user interface
The element of the
operating system that allows you to
access and command the computer
system.
wide area network (WAN)
A
telecommunications network that ties
together large geographic regions.
Wi-Fi Protected Access (WPA)
A
security protocol that offers
significantly improved protection over
WEP.
vision systems
The hardware and
software that permit computers to
capture, store, and manipulate visual
images.
user preparation
The process of
readying managers, decision makers,
employees, other users, and
stakeholders for new systems.
Wired equivalent privacy (WEP)
An
early attempt at securing wireless
communications based on encryption
using a 64- or 128-bit key that is not
difficult for hackers to crack.
users
People who will interact with the
system regularly.
voice mail
Technology that enables
users to send, receive, and store verbal
messages for and from other people
around the world.
utility programs
Programs that help
to perform maintenance or correct
problems with a computer system.
Voice over Internet Protocol
(VoIP)
A collection of technologies
and communications protocols that
enables your voice to be converted into
packets of data that can be sent over a
data network such as the Internet, a
WAN or LAN.
wireless mesh
A way to route
communications between network
nodes (computers or other devices) by
allowing for continuous connections
and reconfiguration around blocked
paths by “hopping” from node to node
until a connection can be established.
value chain
A series (chain) of
activities that includes inbound
logistics, warehouse and storage,
production, finished product storage,
outbound logistics, marketing and
sales, and customer service.
version
A major program change,
typically encompassing many new
features.
workgroup
Two or more people who
work together to achieve a common
goal.
voice-to-text service
A service that
captures voice mail messages, converts
them to text, and sends them to an
e-mail account.
videoconferencing
A
telecommunications system that
combines video and phone call
capabilities with data or document
conferencing.
workgroup application
software
Software that supports
teamwork, whether in one location or
around the world.
volume testing
Testing the
application with a large amount of data.
Web 2.0
The Web as a computing
platform that supports software
applications and the sharing of
information between users.
virtual organizational structure
A
structure that employs individuals,
groups, or complete business units in
geographically dispersed areas that can
last for a few weeks or years, often
requiring telecommunications or the
Internet.
workgroup sphere of influence
The
sphere of influence that serves the needs
of a workgroup.
workstation
A more powerful
personal computer that is used for
technical computing, such as
engineering, but still fits on a desktop.
Web auction
An Internet site that
matches buyers and sellers.
Web browser
Web client software
such as Internet Explorer, Firefox, and
Safari used to view Web pages.
virtual private network (VPN)
A
private network that uses a public
network (usually the Internet) to
connect multiple remote locations.
World Wide Web
A collection of tens
of millions of server computers that
work together as one in an Internet
service using hyperlink technology to
provide information to billions of users.
Web log (blog)
A Web site that people
can create and use to write about their
observations, experiences, and feelings
on a wide range of topics.
virtual reality
The simulation of a real
or imagined environment that can be
experienced visually in three
dimensions.
Worldwide Interoperability for
Microwave Access (WiMAX)
The
common name for a set of IEEE 802.16
wireless metropolitan area network
standards that support different types of
communications access.
Web page construction
software
Software that uses Web
editors and extensions to produce both
static and dynamic Web pages.
virtual reality system
A system that
enables one or more users to move and
react in a computer-simulated
environment.
Web services
Software modules
supporting specific business processes
that users can interact with over a
network (such as the Internet) on an as-
needed basis.
virtual tape
A storage device that
manages less frequently needed data so
that it appears to be stored entirely on
tape cartridges, although some parts of
it might actually be located on faster
hard disks.
worm
A parasitic computer program
that can create copies of itself on the
infected computer or send copies to
other computers via a network.
