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
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