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Light Emitting Diode
(LED)
Kilobits per second
(Kbps)
Kilobytes (KB)
Megabits per second
(Mbps)
Megabits/Megabytes
Modem
Network Address
Translation (NAT)
Network Mask
Network Interface
Card (NIC)
An electric component that emits light (turns ON) when current flows through it.
A measure of data transfer speed.
1,024 bytes.
A measure of data transfer speed.
One million bits/bytes.
A device that allows a computer to transmit data to other computers via telephone
lines.
Network Address Translation — An Internet standard that enables a local-area
network to use one set of IP addresses for internal traffic and a second set of IP
addresses for external traffic. NAT provides a type of firewall security by hiding
internal IP addresses. Since they are used internally, such IP addresses will not be
in conflict with those used by other companies and organizations.
See Subnet Mask.
A card that is installed in a computer so that it can be connected to a network. The
NIC manages the flow of network information to and from the computer.
Glossary
D-6
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