G
LOSSARY
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ONNECTION
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modem (MOdulation/DEModulation)
A device that translates digital information
into analog signals and back again. Modem
technology bridges the gap between analog
telephone technology and digital
electronics. This makes possible the
transfer of data along standard telephone
lines.
N
NAT (Network Address Translation)
A technique developed to allow the use of
a single IP address for a whole network of
computers. This allows multiple computers
to access the network without providing
detailed identifying data. NAT enhances
security as external sources are not able to
obtain the identifying data that would
allow them to access and potentially
compromise the network.
navigate
To move through a Web site or
online document by clicking the hyperlinks
embedded in the text or images.
network
Two or more computers linked
together to share resources such as
programs, data, files, music, printers, and
modems.
network adapter
A piece of hardware
that is used to connect a computer to a
network. A network adapter may be a
PCMCIA (PC Card) or a PCI card (see
network interface card
) or it may connect
to a computer externally via a Universal
Serial Bus (USB) or a parallel port.
NIC (network interface card)
A piece of
hardware that can be installed in your
computer to enable it to connect to a
network. The NIC provides the point of
connection for a device on the network.
Network cables are plugged in to the NIC.
O
OS (operating system)
The interface that
permits a person and a computer to “talk”
to one another.
P
PAT (Port Address Translation)
A function provided by some routers that
allows hosts on a LAN to communicate
with the rest of the network (for example,
the Internet) without revealing the private
IP address.
peer-to-peer networking
A network that
allows clients to interface with each other
as peers without a server. Each client/peer
may provide services to other client/peers
and use services provided by other client/
peers.
POP (Point of Presence)
A city or
location where a network can be
connected, often with dialup phone lines.
Summary of Contents for iPAQ Connection Point CP-1
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