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Glossary: Dell™ TrueMobile™ 1180 PC
Card User's Guide
access point A stand-alone wireless hub that allows any computer that has a wireless network
adapter to communicate with another computer and to connect to the Internet.
available network One of the networks listed in the Available networks list on the Wireless
Networks tab of the Wireless Configuration box that appears when the
TrueMobile 1180 wireless utility is open. Any wireless network that is broadcasting
and is within receiving range of the Dell TrueMobile 1180 internal 802.11b PC
Card appears on the list.
BER Bit error rate. The ratio of errors to the total number of bits being sent in a data
transmission from one location to another.
client computer The computer that gets its Internet connection by sharing either the host
computer's connection or the access point's connection.
dBm A unit for expression of power level in decibels with reference to a power of 1
milliwatt.
DBPSK differential-binary-phase-shift keying.
DQPSK differential-quadrature-phase-shift keying. A compression technique that transmits
only the differences between the values of the phase of the sine wave rather than
the full absolute value.
DSSS direct sequence spread spectrum. A type of radio technology.
Dynamic Host Configuration
Protocol (DHCP)
A mechanism for allocating IP addresses dynamically so that addresses can be
reused when hosts no longer need them.
file and printer sharing A capability that allows a number of people to view, modify, and print the same
file(s) from different computers.
GHz gigahertz. A unit of frequency equal to 1 000 000 000 cycles per second.
host computer The computer that is directly connected to the Internet via a modem or network
adapter.
IEEE Institute of Electrical and Electronics Engineering
Internet Protocol (IP) address The address of a computer that is attached to a network. Part of the address
designates which network the computer is on, and the other part represents the
host identification.
LAN local area network
m meter
MHz megahertz. A unit of frequency equal to 1 000 000 cycles per second.
Mbps megabits per second. Transmission speed of 1 000 000 bits per second.