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A wide variety of systems of interconnected components are called networks.

A computer network is a system for communication among two or more computers.

Computer networks may be categorized with respect to range:

  • personal area network (PAN)

- wireless PAN (WPAN)

  • local area network (LAN)

- wireless LAN (WLAN)

- metropolitan area network (MAN)

- wide area network (WAN)

- tiny area network (TAN)


see also: Subnet, LAN, WAN