Glossary D-6
Light Emitting Diode
(LED)
An electric component that emits light (turns ON) when current flows through it.
Kilobits per second
(Kbps)
A measure of data transfer speed.
Kilobytes (KB) 1,024 bytes.
Megabits per second
(Mbps)
A measure of data transfer speed.
Megabits/Megabytes One million bits/bytes.
Modem A device that allows a computer to transmit data to other computers via telephone
lines.
Network Address
Translation (NAT)
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.
Network Mask See Subnet Mask.
Network Interface
Card (NIC)
A card that is i nstalled in a compu ter so that it can b e connected to a ne twork. The
NIC manages the flow of network information to and from the computer.