LANs and WANs - Word Drop

A ______ computer works on its own and is not joined to any other device. A ______ is two or more computers connected together so they can share resources. Networks let users share files, share devices such as ______ so one machine can print for everyone, and share services such as an internet connection. Network activities include messaging, making video calls and playing ______ against other players.

Networks can be categorised by geographical size, the area they cover, and by ______, the physical layout of the connections. A LAN covers a small area such as one building, a school, an office or a home. LAN equipment is owned by the organisation that uses it, and its devices may be wired or ______ using WiFi.

A WAN links LANs and computers over a large area, such as between countries. The biggest WAN is the ______. Other examples are card payment systems such as VISA and networks run by the armed forces, known as ______ networks. WAN connections run over fibre optic cables, telephone lines, copper cables and satellite links that send signals through space. WANs let people send messages, make ______ in shops and shop online.

One main difference is ______: a LAN's hardware belongs to its user, while a WAN's connections are usually rented. The other is size: a LAN covers one building, while a WAN can span the world. A home network that covers one house and uses the owner's equipment is a LAN.