Motorola MC9190-G Integrator Manual page 181

Liquid Crystal Display (LCD). A display that uses liquid crystal sealed between two glass plates. The crystals are excited
by precise electrical charges, causing them to reflect light outside according to their bias. They use little electricity and
react relatively quickly. They require external light to reflect their information to the user.
M
Mobile Computer. In this text, mobile computer refers to the Motorola Series 9190 wireless portable computer. It can be
set up to run as a stand-alone device, or it can be set up to communicate with a network, using wireless radio technology.
MS CHAP. (Microsoft Challenge Handshake Authentication Protocol) is the Microsoft version of CHAP and is an extension
to RFC 1994. Like the standard version of CHAP, MS-CHAP is used for PPP authentication; in this case, authentication
occurs between a PC using Microsoft Windows NT or Microsoft Windows 95 and a Cisco router or access server acting
as a network access server (NAS).
N
Nominal. The exact (or ideal) intended value for a specified parameter. Tolerances are specified as positive and negative
deviations from this value.
P
PAN . Personal area network. Using Bluetooth wireless technology, PANs enable devices to communicate wirelessly.
Generally, a wireless PAN consists of a dynamic group of less than 255 devices that communicate within about a 33-foot
range. Only devices within this limited area typically participate in the network.
PING. (Packet Internet Groper) An Internet utility used to determine whether a particular IP address is online. It is used to
test and debug a network by sending out a packet and waiting for a response.
Q
QWERTY. A standard keyboard commonly used on North American and some European PC keyboards. "QWERTY" refers
to the arrangement of keys on the left side of the third row of keys.
R
RAM. Random Access Memory. Data in RAM can be accessed in random order, and quickly written and read.
ROM. Read-Only Memory. Data stored in ROM cannot be changed or removed.
Glossary - 5