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(GPS), which use satellite technology. Wireless
systems can also be xed, such as LANs that
provide wireless communications within a
limited area (such as an ofce), or wireless
per
ipherals such as mice and keyboards.
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.
Woofer
The drive unit (loudspeaker) that reproduces
the bass (low) frequencies.
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
improvements over WEP.
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
tr
ansmission 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
off
er 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
inf
ormation. Wireless communication can be
used for free-ranging mobile systems such as
cell phones and global positioning systems
Glossary
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