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Driver: Software that interfaces a computer
with a specific hardware device.
DSSS (Direct Sequence Spread Spectrum):
Method of spreading a wireless signal into wide
frequency bandwidth.
DTE (Data Terminal Equipment): Device that
con10BaseT or 100BaseTx: 802.3 based
Ethernet network that uses UTP (Unshielded
twisted pair) cable and a star topology. 10 is 10
Mbps and 100 is 100 Mbps.
Dynamic IP Address: An IP address that is
automatically assigned to a client station in a
TCP/IP network, typically by a DHCP server.
ESS (Extended Service Set): A set of two
or more BSSs that form a single sub-network.
ESS-ID is user identification used in the ESS
LAN configuration.
Ethernet: The most widely used architecture
for Local Area Networks (LANs). It is a shared-
media network architecture. The IEEE 802.3
standard details its functionality.
Ethernet cable: A wire similar to telephone
cable that carries signals between Ethernet
devices.
File and Print Sharing: A Microsoft application
that allows computers on a network to share
files and printers.
Firmware: Programming inserted into pro-
grammable read-only memory, thus becoming a
permanent part of a computing device.
Frame: A fixed block of data, transmitted as a
single entity. Also referred to as packet.
Full-Duplex: To transmit on the same channel
in both directions simultaneously.
Half-duplex: To transmit on the same channel
in both directions, one direction at a time.
Hub: A device which allows connection of com-
puters and other devices to form a LAN.
IEEE (Institute of Electrical and Electronics
Engineers): The professional organization
which promotes development of electronics
technology.
Glossary