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Computer - 7

Intranet: A private computer network that uses Internet protocols and network connectivity to securely share a part of an organisation's information or operations with its employees

Extranet: A network or internetwork that is limited in scope to a single organisation or entity but which also has limited connections to the networks of one or more trusted organisations

Personal Area Network(PAN): A computer network used for communication among computer devices close to one person

Local Area Network(LAN): A network covering small geographic area, like a office or a building

Wide Area Network(WAN): A network covering relatively broad geographic area(i.e one city to another, one country to another)

Network Topology: Signifies the way in which intelligent devices in the network see their logical relations to one another

Ethics: Core values essential to acceptable online behaviour

Copyright: Exclusive right to produce or reproduce, to perform in public, or to publish an original literary or artistic work

Hacking: An act of penetrating computer systems to gain the knowledge about the system and how it works

Crackers: People who try to gain unauthorised access to computers

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