Networks LAN = Local Area Network.

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Networks

LAN = Local Area Network.

When PCs close to one another in a single office or building are joined by a cable, a network is formed known as a Local Area Network (LAN).

Once the computers are connected together into a LAN, many people (users) can share and use the same resources at the same time.  They can share files, software, hard disks and peripherals such as a printer or CD-ROM.  Users can also use the LAN to communicate with each other by e-mail.  Data can be transmitted very quickly between networked computers.

Advantages of Networks

  • Programs can be shared- software packages can be installed onto the file server and accessed by all individual workstations at the same time.  This reduces cost, maintenance and makes upgrades easier. 
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  • A user can access any software from any station.

  • Data can be shared by all users at the same time.  Many people can access or update the information held on a database at the same time.  Thus information is up to date and accurate.

  • Users can communicate with others on the network by sending messages and sharing files.

  • Individual workstations do not need a printer; one high quality printer can now be shared by everyone, thus cutting costs. 

  • Networks provide security.  A user must have the correct Password and User ID in order to be able ...

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