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Glossary
GLOSSARY
Aspect ratio
horizontal & vertical dimension in which the window will be displayed, e.g. 4 by 3 or 16 by 9.
Default Gateway
A router that serves as an entry point into and exit point out of a network. For example, a local network
(LAN) may need a gateway to connect it to a wide area network (WAN) or to the Internet.
DHCP
Dynamic host configuration protocol. DHCP is a communications protocol that lets network administrators
manage centrally and automate the assignment of IP addresses in an organization’s network. Usin
gthe
Internet Protocol, each machine that can connect to the Internet needs a unique IP address. When an
organization sets up its computer users with a connection to the Internet, an IP address must be assigned
to each machine. Without DHCP, the IP address must be entered manually at each computer and, i
fcom-
puters move to another location in another part of the network, a new IP address must be entered. DHCP
lets a network administrator supervise and distribute IP addresses from a central point and automatically
sends a new IP address when a computer is plugged into a different place in the
network.
IP
Internet Protocol. The network layer of TCP/IP. Required for communication with the internet.
Layout
A layout is a collection of windows. These windows are placed on a certain position within the screen.
Subnet mask
A number that is used to identify a subnetwork so that IP addresses ca
nbesharedonalocalareanetwork.
Window
A window represents the active area of an input source.
Z-order
The layer sequence in which windows will be displayed in relation to one another.
R5976790 COMMUNICATOR 09/07/2004
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