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LAN LAN
WAN (Wide Area Network)
WAN is a digital communication system that interconnects a large number of computers in
a wide geographical area. This network may operate on a worldwide or nationwide basis. In
such types of networks, there may not be a physical connection between computers. In WAN,
telephone lines, microwave, satellite links, etc., can be used as a transmission medium.
LAN LAN LAN LAN
LAN LAN
PAN (Personal Area Network)
These are privately owned networks. PAN is used
to establish communication among computers
within the range of 20 to 30 feet. It can be wired
or wireless.
Clickipedia
The concept of PAN was first introduced by Thomas Zimmerman at M.I.T.'s Media Lab. It
was later supported by IBM's Almaden Research Lab.
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