the network karen

The Network

A network is consists of two or more computers that are linked in order to share resources (such as printers and CDs), exchange files, or allow electronic communications. The computers on a network may be linked through cables, telephone lines, radio waves, satellites, or infrared light beams.

What is a Network?

Local Area NetworkA LAN connects network devices over a relatively about a small distance.LAN is typically owned, controlled and managed by a single person or organization.Examples such as writing lab, school, or building.

There are Two most commonly known Types of Network:

Wide Area Network A WAN spans a large physical distance. The Internet is the largest WAN, spanning the earth.

Advantage and Disadvantage of using a Network

Some Advantage Some Disadvantage

A user can logon to a computer anywhere on the network and access their work files from the file server.

Sharing printers, plotters, modems etc. saves money and time.

Computers can be managed centrally - with the same software installed on each one

If something goes wrong with the file server the whole network is unable to operate.

Users may use up too much of the storage space and this may cause problems on the network

Users may use too much bandwidth - for example when listening to music files or watching video clips - preventing others from using the network facilities properly

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