IT Pocket Dictionary

19. VC Videoconference A real-time video
session between
two or more users
or between two or
more locations.

20. VCB VMware VMware
Consolidated Infrastructure
Backup feature

21. VCC Voice Call VCC is a key
Continuity aspect of the IMS
promise of a
seamless user
experience.

367

22. VCD Video This technology was
Compact developed by Sony
Disc and Philips in 1993,
and allows around 70
minutes of compressed
MPEG-1 video/audio
to be stored on a CD.

23. VCDX VMware VMware Certified
Certified Design Expert
Design
Expert

24. VCI Virtual Stands for "Virtual
Channel Channel Identifier."
Identifier The VCI, used in
conjunction with the
VPI (virtual path
indicator), indicates
where an ATM cell is
to travel over a
network.

368

25. VCM Virtual A type of memory
Channel developed by NEC.
Memory VCM memory adds
some low latency
SRAM registers onto
standard SDRAM,
much like EDO
compared to Fast Page
Mode memory.

26. VCO voltage- An oscillator with an
controlled output frequency that is
oscillator a function of an input
voltage.

27. VCP Value Oracle's SCP
Chain capabilities
Planning

369

28. VCR video An analog magnetic
cassette recording and playback
recorder machine. Usually used
for recording and
viewing full-motion
video

29. Vdeck Video A Super 8 mm tape
Deck drive from Sony which
can be connected to a
computer via the serial
port.

30. VD Virtual object presented to the
Disk host level for user data
storage. At least one
physical disk is
associated with a VD.

370

31. VDI Virtual practice of hosting a
desktop desktop operating
infrastructure system within a virtual
machine (VM) running
on a centralized server.

32. VDR virtual deal a secure, Web-based
room virtual data room that
complements or
replaces the paper-
based deal room that
contains all relevant
information needed
during the due
diligence phase.

33. VDS Variable Printing technology by
Drop Size NEC

371

34. VDSL very high- Extremely high-speed
speed DSL connections over
digital short distances.
subscriber
line

35. VDT Video A computer terminal
Display with monitor and
Terminal keyboard; sometimes
VDT refers to only the
monitor.

36. VDU Visual includes a keyboard for
Display input data and a screen
Unit for displaying output

372

37. VEP vertical A portal that typically
enterprise includes a business
portal application and focuses
on a specific business
function (e.g.,
investment or customer
service) of an
enterprise — unlike a
HEP, which serves a
broad enterprise
population.

38. VESA Video An organization to
Electronics help standardize how
Standards PCs implement video
Association technologies.

39. VF Voice Voice Frequency

Frequency

373

40. VFM virtual file IBM System Storage N
manager series VFM software is
a comprehensive
solution for managing
unstructured file data.

41. VGA Video A hardware display and
Graphics software resolution
Array standard for personal
computers.

42. VGF voice grade Circuit designed to
facility DDD network
standards, making it
suitable for voice, low-
speed data, facsimile or
telegraph service.or a
virtual machine

374

43. VHD Virtual File format containing
44. VHDL Hard Drive the complete contents
and structure
VLSI representing a Hard
Hardware Disk Drive, and is
Description used to store virtual
Language operating systems and
their associated
programs in a single
file by various
virtualization
programs or a virtual
machine
an industry standard
format for describing
integrated circuit logic
and behavior.

45. VHF very high range of the radio
frequency spectrum is the band
extending from 30
MHz to 300 MHz.

375



1. W3C World An organization
Wide Web formed in 1994 to
2. WAA Consortium promote the Web's
3. WAAS evolution as a platform
for information,
commerce and
communication. The
W3C, which has more
than 500 member
organizations, has
developed XML and a
variety of XML-related
specifications.

Wide Area An adapter connecting
Adapter to a WAN.

Wide Area A collection of
Augmen- satellites and ground
tation stations that send out
System GPS signal corrections
to provide increased
position accuracy.

376

4. WAB Windows Filename extension
5. WAC Address by Microsoft
6. WACK Book
7. WADS
Wholesale Wholesale
8. WAE Applications Applications
Community Community

Wait This means the
acknow- receiving station is
ledgement not ready to receive
the ACK.

Write-Ahead A data set containing
Data Set log records that
reflect completed
operations and are not
yet written to an
online log data set.

Wireless The top most level in
Application the WAP suite, which
Environment combines both the
WWW and Mobile
Telephony
technologies.

377

9. WAF Web Attacks against Web-
Application based applications, as
10. WAI- Firewall well as PCI
ARIA requirements to
address Web
application security.

Web A draft technical
Accessibility specification
Initiative - published by the
Accessible World Wide Web
Rich Consortium that
Internet specifies how to
Applications increase the
accessibility of
dynamic content and
user interface
components
developed with Ajax,
HTML, JavaScript
and related
technologies.

378

11. WAIS Wide Area Developed in the early
12. WAL Information 1990s WAIS was the
Servers first truly large-scale
system to allow the
indexing of huge
quantities of
information on the
Web, and to make
those indices
searchable across
networks such as the
Internet. WAIS was
also pioneering in its
use of ranked results
where the software
tries to determine how
relevant each result it.

Wats A line class marked as
Access a WATS line,
Line provided from an
equal access end
office. The WATS
access line provides
the same service and
features as a normal
business line.

379

13. WALE Wats A WAL provided to a
14. WAMP Access customer served by an
Line end office which has
Extension not been converted to
equal access through
an end office which
has been converted.

Windows, Web applications
Apache, platform
Mysql,
PHP (or
Perl or
Phyton)

380

15. WAN Wide Area Used to distinguish the
16. WAP Network broader
telecommunication
structure from a local
area network (LAN). A
wide area network may
be composed entirely
of private structures,
but the term seems to
also connote the
inclusion of public
networks and all kinds
of transmission media.

Wireless WAP is a set of
Application specifications
Protocol developed by the WAP
Forum for efficient
communication of data
over wireless networks
to small devices, such
as personal digital
assistants and cell
phones.

381

17. WARIA Workflow The charter of the
18. WAS And WARIA is to
Reengineering identify and
International clarify issues that
Association are common to
users of workflow,
electronic
commerce and
those who are in
the process of
reengineering their
organizations.

Web Web Application
Application Server
Server

382

19. WATS Wide Area Long distance
20. WAVE Telecom- service provided by
munications- various carriers that
Telephone includes both
Service intrastate and
interstate service for
outgoing and
incoming (800) calls.
WATS provides a
bulk savings plan for
companies with a
high volume of toll
calls, such as
telemarketing.

Wide Area Cisco's engine
Virtuali- perform WAN
zation optimization focused
Engine on Layer 4 to Layer
7 (application layer)
and host Windows
Services through
virtualization
components at the
branch.

383

21. WBEM Web-Based An initiative started
22. WBMP Enterprise by BMC software,
Management Compaq, Cisco,
Intel and Microsoft
in 1996 and accepted
by the Desktop
Management Task
Force (now known
as the "Distributed
Management Task
Force") in 1998.

Wireless A graphic format
BitMaP optimized for mobile
computing devices.
A WBMP image is
identified using a
TypeField value,
which describes
encoding
information.

384

23. WCF Windows Set of .NET
24. WCS Commu- technologies for
nication building and running
25. WCS Foundation connected systems.

Web WCS framework
customer consists of Knowledge
service base for self-service, E-
mail response
management, web chat,
Collaborative browsing
and Multichannel
interaction recording.

Websphere IBM Software platform
Commerce framework for e-
Server commerce, including
marketing, sales,
customer and order
processing functionality
in a tailorable,
integrated package.

385

26. WD Western An industry leader in
27. WDDM Digital the disk drive and
28. WDDX drive controller
industry.

Windows The graphics driver
Display model supported by
Driver Windows Vista that's
Model required for display
of the full Aero Glass
effects.

Web An XML based
Distributed technology that
Data facilitates complex
Exchange data exchange
between Web
programming
languages
(ColdFusion, Perl,
ASP, Java,
JavaScript, PHP, and
others).

386

29. WDF Windows Strategy for the next
30. WDM Driver generation of
Foundation Windows drivers.
WDF defines a single
driver model that
supports the creation
of object-oriented,
event-driven drivers
for either kernel mode
or user mode.

Wavelength Optical transmission
Division technique in which
Multiplexing two or more
wavelengths, are
combined for
transmission over a
single optical fiber. At
the receiving end, the
wavelengths are
separated and directed
to separate receivers.

387

31. WDOG Watchdog Provides constant
32. WDS protocol validation of active
workstation
connections and
notifies the NetWare
operating system
when a connection
may be terminated as
a result of lengthy
periods without
communication.

Wireless A technology that
Distribution enables access points
System to communicate with
one another in order
to extend the range of
a wireless network.
WDS is appearing in
802.11g-based access
points.

388

33. WDT Watch Dog A 16 bit counter that
Timer resets the processor
34. WEB when it rolls over to
CAM zero. The watchdog
timer is a fail-safe
35. WEB mechanism that
DAV intervenes if a system
stops functioning or in
case of a code crash.

WEB Kind of cheap TV
Camera camera which you can
use for video
conferencing over the
internet, or just showing
off.

Web-based A set of extensions to
Distributed the HTTP protocol that
Authoring allows multiple users to
and not only read but also to
Versioning add, delete, and change
documents residing on
a web server.

389

36. WEB- Web A group of people
INAR Seminar viewing a seminar
presented over the
37. WEEE Web.

Waste European Union
Electrical directive (2002/96/EC)
and making manufacturers
Electronic responsible for
Equipment financing the recycling
of end-of-life
equipment.

390

38. WEP Wired WEP: wireless feature
39. WES Equivalent used to encrypt and
Privacy decrypt data signals
transmitted between
Wireless LAN (WLAN)
devices. An optional
802.11 feature (see
802.11), WEP provides
data confidentiality
equivalent to that of a
wired LAN that does
not employ advanced
cryptographic
techniques to enhance
privacy.

Websense Websense SEG product
Email
Security

391

40. WFM Wired For An Intel hardware
41. WfMC Management specification for
42. WFO Baseline easier management
of desktop PCs in a
networked
environment.

WorkFlow Non-profit,
Management international
Coalition organization of
workflow vendors,
users, analysts and
university/research
groups.

Work Force Solution to improve
Optimization operational
efficiency and drive
interaction
effectiveness.

392



1. X3D Extensible an XML file that is used
2. x86 3D to hold three-
Graphics dimensional graphical
data.

8086 These include the 286,
processor 386, 486, and 586
processors. As you can
see, the "x" in x86 stands
for a range of possible
numbers. Technically,
x86 is short for 80x86
since the full names of
the processors are
actually 80286, 80386,
80486, and 80586. The
"80" is typically
truncated to avoid
redundancy.

3. XaaS anything as anything as a service
a service

393

4. XACML Extensible open standard
5. XAF Access XML-based
Control language designed
Markup to express security
Language policies and access
rights to
eXpressApplic information for
ation Web services,
Framework DRM, and
enterprise security
applications
.
a modern and
powerful
application
framework
allowing
simultaneous
ASP.NET and
WinForms
development.

6. XBL XML Binding document used to
Language associate
executable content
with an XML tag.

394

7. XBMC XBox Media player for the
Media original Xbox game-
Center console.

8. XBRL Extensible a language for business
Business financial data using
Reporting XML-style tags.
Language

9. XCP eXtended Rootkit-based copy
Copy protection scheme
Protection

395

10. XDCC Xabi DCC or a script written in
eXtended 1994 for ircII[1] by
DCC Xabi. This script
extends the ircII
DCC command.

11. XDO extended In an application
data object program, a generic
representation of a
stored complex
multimedia object
that is used to move
that object in to

12. XDE eXtended As in IBM Rational
Development Software's XDE
Experience product

396

13. XDR eXternal Data Standard for
Representation machine-
independent data
structures developed
by Sun
Microsystems.

14. XDM X Display A program supplied
Manager with the
OpenWindows
interface that
manages X displays

15. xDSL x digital Generic term for a
subscriber line variety of digital
subscriber line
techniques that
allow wide and
narrowband signals
to be sent down
normal telephone
wires.

397

16. XE Express Oracle Database XE is
Edition an entry-level, small-
footprint database
based on the Oracle
Database

17. XFDL Extensible An open protocol for
Forms creating, filling in, and
Description reading complex
Language business forms and
legal contracts on the
Internet and intranets.

18. XFN XHTML A simple way to
Friends represent human
Network relationships using
hyperlinks.

398

19. xfr transfer An abbreviation
used in data
communications.

20. XGA Extended A high-resolution
Graphics Array video display mode
that provides
screen pixel
resolution of 1,024
by 768 in 256
colors

21. XHR XmlHttpRequest API that can be
used by JavaScript,
JScript, VBScript
and other web
browser scripting
languages to
transfer and
manipulate XML
data to and from a
web server

399

22. XHTML Extensible XHTML is a spinoff
Hypertext of the HTML used
Markup for creating Web
Language pages. It is based on
the HTML 4.0
syntax, but has been
modified to follow
the guidelines of
XML

23. XIL X Imaging The XIL is a
Library platform
programming
interface for imaging
and video support

24. XLF Extensible A log format based
Log on XML, designed to
Format be extensible and
universal.

400

25. XLL Extensible second part of the
Linking W3C's XML
Language specification
concerning hyperlinks

.

26. XLS eXceL Microsoft Excel File

Spreadsheet name extension

27. XMCL Extensible an XML-based
Media language designed to
Commerce support the business
Language of delivering digital
content (music, etc.)
over the Internet.

401

28. XMI XML a proposed use of
29. XMLC Metadata the XML that is
Interchange intended to provide
a standard way for
programmers and
other users to
exchange
information about
metadata

eXtensible Converts a HTML
Markup or XML document
Language to a Java class
Compiler

30. XMLRPC XML A protocol for
Remote client-server
Procedure communication
Call that sends and
receives
information "on top
of" HTTP.

402

31. XMP eXtensible Provides Adobe
Metadata applications and
Platform workflow partners with
a common XML
framework that
standardizes the
creation, processing,
and interchange

32. xmt transmit the method of sending
data to an alternate
computer or device.

33. XNI Xerces Framework for
Native communicating a
Interface "streaming" document
information set and
constructing generic
parser configurations.

403

34. XNS Xerox The suite of internet
Network protocols developed by
Systems the Xerox Corporation

35. XO crystal An oscillator in which
oscillator the frequency is
controlled by a
piezoelectric crystal.

36. XOFF Transmitter An abbreviation for the
off ASCII transmission-

control character

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