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What is Computer Network?

Updated on January 13, 2010
Computer Network
Computer Network


Two or more computers connected together through a communication media form a computer network.

The computers are connected in a network to exchange information and data. The computers connected in a network can also use resources of other computers.

Computer Network Components

There are different components of a network. Following are the basic components of network.

1. Server:

Powerful computers that provides services to the other computers on the network.

2. Client:

Computer that uses the services that a server provides. The client is less powerful than server.

3. Media:

A physical connection between the devices on a network.

4. Network Adopter:

Network adopter or network interface card (NIC) is a circuit board with the components necessary for sending and receiving data. It is plugged into one of the available slots on the Pc and transmission cable is attached to the connector on the NIC.

5. Resources:

Any thing available to a client on the network is considered a resource .Printers, data, fax devices and other network devices and information are resources.

6. User:

Any person that uses a client to access resources on the network.

8. Protocols:

These are written rules used for communications. They are the languages that computers use to talk to each other on a network

Advantages of Computer Network

  • Networks allow data transmission among far areas also within local areas.
  • Networks allow different users share the processing characteristics of different computers.
  • Network allows users to share common set of data files and software stored in a main system.
  • Network allows users to share common hardware resources such as printers, fax machines, modem etc.
  • The cost of computing is reduced to each user as compared to the development and maintain of each single computer system.


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      Avishek 3 years ago


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      Mythili 3 years ago

      very useful..................

    • profile image

      Divya 3 years ago

      Very simple

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      Ashutosh M. Tripathi 3 years ago


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      Asad 3 years ago

      realy perfect ... thanxs

    • profile image

      Asad 3 years ago

      realy perfect ... thanxs

    • profile image

      VANDANA 3 years ago


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      FISHMANLOL 4 years ago


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      hiru9026 4 years ago

      Nice work....

      You can also refer this,

    • profile image

      chathu 4 years ago


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      Pop 4 years ago

      Thanks , this is useful! :)

    • profile image

      Sunil Kumar Mallick 4 years ago

      thanks...i think its simple ans...nice

    • profile image

      Ravi Thakur 4 years ago

      Easy and best !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! :) :)

      thaks for sharing !!!!!!!!!!!!! :) :)

    • profile image

      Arif 4 years ago

      sooo good

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      karai 4 years ago


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      hghgh 4 years ago


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      dhaka 4 years ago


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      sachina 4 years ago


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      Goitseone Cece 4 years ago


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      Yogeswari.................. 4 years ago

      superrr site.................

      if we ask what is comp. network,then it gives all information about the components and advantages..........................


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      Getachew tadesse lemma 4 years ago

      i love it

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      daniel young 4 years ago


      realluy usefull;not

    • profile image

      daniel young 4 years ago

      really used:not, just change it


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      Adolf 4 years ago