Devices Use in a Network

Networks Components: 
A Network is a combination of three essential components.

• Media.
• Device.
• Protocol.

Device: 
                      Machine which can pass data or transfer data.There are two types of devices.

• End devices.
• Network devices.

End Devices:
                                 Device which generate data or receive data is called End device.For example Server,Printer,Fax machine,Scanner,LAN card.Without LAN card we cannot transfer data or enter data.LAN card  is a hardware.When program writes on a hardware it is called Firmware.
Network Devices: 
                                             Intermediate device through which we transfer data.There are two types of network devices.

• Luxuries.
• Essential.

Network devices are better Explain  in next Article.