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)