(GPS), which use satellite technology. Wireless
systems can also be xed, such as LANs that
pro
vide wireless communications within a
limited area (such as an ofce), or wireless
per
ipherals such as mice and keyboards.
WMA
Windo
ws Media™ Audio. Refers to an
audio compression technology developed by
Microsoft Corporation. WMA data can be
encoded with Windows Media player version 9
or Windows Media player for Windows XP. Files
are recognized by their le extension ‘.wma.’
WMA (Windows Media Audio)
An
audio format owned by Microsoft, is a
part of Microsoft Windows Media technology.
Includes Microsoft Digital Rights Management
tools, Windows Media Video encoding
technology, and Windows Media Audio
encoding technology.
WMV
Windo
ws Media Video. Refers to a video
compression technology developed by
Microsoft Corporation. WMV content can be
encoded by using Windows Media® Encoder
9 series. Files are recognised by their le
extension
‘.wmv’.
WPA / WPA2 (Wi-Fi Protected Access)
A
Wi-Fi standard that was designed to improve
upon the security features of WEP. The
technology is designed to work with existing
Wi-Fi products that have been enabled with
WEP (i.e. as a software upgrade to existing
hardware), but the technology includes two
impro
vements over WEP.
Gracenote® End User License Agreement
Version 20061005
This application or device contains software
from Gracenote, Inc. of Emeryville, California
(“Gracenote”). The software from Gracenote
W
W (wattage)
A measurement of power. In speakers, wattage
is a term that indicates power-handling
characteristics in dealing with electrical voltage
inputs from the amplier.
WAP (Wireless Application Protocol)
Global
protocol used in some wireless devices
that allows the user to view and interact with
data services. Generally used as a means to
view Internet web pages using the limited
transmission capacity and small display screens
of portable wireless devices.
WAV
A format for sound les developed jointly by
Microsoft and IBM. Built into Windows 95 to XP,
which
made it the de facto standard for sound
on PCs. WAV sound les end with a ‘.wav’
extension
and works with nearly all Windows
applications that support sound.
WEP (Wired Equivalent Privacy)
All 802.11b (Wi-Fi / wireless) networks use
WEP
as their basic security protocol. WEP
secures data transmissions using 64-bit or
128-bit encryption; however, it does not
offer complete security and is usually used in
conjunction with other security measures such
as EAP.
Wi-Fi
Wi-Fi (Wireless Fidelity) is a wireless
technology
brand owned by the Wi-Fi Alliance
intended to improve the interoperability of
wireless local area network products based
on the IEEE 802.11 standards. Common
applications for Wi-Fi include Internet and VoIP
phone access, gaming, and network connectivity
for consumer electronics such as televisions,
DVD players, and digital cameras.
Wireless
T
elecommunications using electromagnetic
waves rather than wires or cable to transmit
information. Wireless communication can be
used for free-ranging mobile systems such as
cell phones and global positioning systems
EN
