A network is 2 or more computers that are connected to exchange information, share data, share applications or share devices such as a printer.

There are 3 different ways a computer can communicate over a network ,

  • Electrical Signals - ethernet
  • Impulses of Light - fibre optics
  • Radio Signals - wireless

There are various types of Networking Components that may be needed for a network to function. 

 Every computer on a network requires a NIC to communicate.

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