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Glossary
ISP
Internet Service Provider. See Provider.
LAN
Local Area Network, local network. A local network links network components so that
they can exchange data and share resources. The physical range is restricted to a par-
ticular area (a site). A local network can be connected to other local networks or a wide-
area network (WAN) such as the Internet.
LED
Light Emitting Diode. An LED is an electronic component (semi-conductor) that gener-
ates light at low power consumption. LEDs are often used as signal lights for display
and UI elements.
Login
Access to a PC or a service, password e.g. for access to the Internet.
MAC address
Media Access Control. The MAC address is used for the globally unique identification
of a network adapter. It comprises six parts (hexadecimal numbers), e.g. 00-90-96-34-
00-1A. The MAC address is assigned by the network adapter manufacturer and cannot
be changed.
Mbps
Million bits per second. Specification of the transmission speed in a network.
Network
A network is a group of devices connected in wired or wireless mode so that they can
share resources such as data and peripherals. A general distinction is made between
local networks (LANs) and wide-area networks (WANs).
Network adapter
The network adapter is the hardware device that creates the connection between a net-
work component and a local network. The connection can be wired or wireless. An Eth-
ernet network card is an example of a wired network adapter. A network adapter has a
unique address, the
MAC
address.
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