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Appendix F: Glossary
Wireless-B Media Link for Music
Gateway
- A device that interconnects networks with different, incompatible communications protocols.
Half Duplex
- Data transmission that can occur in two directions over a single line, but only one direction at a
time.
Hardware
- The physical aspect of computers, telecommunications, and other information technology devices.
HTTP
(
H
yper
T
ext
T
ransport
P
rotocol) - The communications protocol used to connect to servers on the World
Wide Web.
IEEE
(The
I
nstitute of
E
lectrical and
E
lectronics
E
ngineers) - An independent institute that develops networking
standards.
Infrastructure
- A wireless network that is bridged to a wired network via an access point.
IP
(
I
nternet
P
rotocol) - A protocol used to send data over a network.
IP Address
- The address used to identify a computer or device on a network.
IPCONFIG
- A Windows 2000 and XP utility that displays the IP address for a particular networking device.
ISM band
- Radio bandwidth utilized in wireless transmissions.
ISP
(
I
nternet
S
ervice
P
rovider) - A company that provides access to the Internet.
LAN
- The computers and networking products that make up your local network.
MAC
(
M
edia
A
ccess
C
ontrol)
Address
- The unique address that a manufacturer assigns to each networking
device.
Mbps
(
M
ega
B
its
P
er
S
econd) - One million bits per second; a unit of measurement for data transmission.
Network
- A series of computers or devices connected for the purpose of data sharing, storage, and/or
transmission between users.
Node
- A network junction or connection point, typically a computer or work station.
OFDM
(
O
rthogonal
F
requency
D
ivision
M
ultiplexing) - Frequency transmission that separates the data stream
into a number of lower-speed data streams, which are then transmitted in parallel to prevent information from
being lost in transit.
Packet
- A unit of data sent over a network.
