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Chapter: 11th Office Management and Secretaryship : Chapter 6 : Electronic Data Processing

Computer Network – LAN, WAN, PAN, MAN

Computer network is a collection of computers and terminal devices connected together by a communication system that facilitates communication among users and allows users to share resources with other users.

Computer Network – LAN, WAN, PAN, MAN:

 

Computer network is a collection of computers and terminal devices connected together by a communication system that facilitates communication among users and allows users to share resources with other users.

 

Local Area Network (LAN): A local area network is primarily a data transmission system intended to link computers and associated devices within a restricted geographical area (room, building or a group of closely placed buildings). The key characteristic of a local area network is the fact that the whole of the network, confined to one site, is completely under the control of one organization.

 

The most relevant application of LAN is

·              File transfer and access

·              Word and text processing

·              Electronic message handling

·              Personal filing and information handling

 

Wide Area Networks (WAN): Wide area networks include all the networks which are involved in transporting information from one geographical location to another. One of the most significant aspects of a wide area network is the involvement of a public telecommunication authority.

 

Personal Area Network (PAN): A personal area network (PAN) is a computer network used for data transmission amongst devices such as computers, telephones, tablets and personal digital assistants.

 

Metropolitan Area Network (MAN): A metropolitan area network (MAN) is a computer network that interconnects users with computer resources in a geographic area or region larger than that covered by even a large local area network (LAN) but smaller than the area covered by a wide area network (WAN).


 

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11th Office Management and Secretaryship : Chapter 6 : Electronic Data Processing : Computer Network – LAN, WAN, PAN, MAN |


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