How Internet Works – The Essential Idea

What is Internet?

A global computer network providing a variety of information and communication facilities, consisting of interconnected networks using standardized communication protocols.
Types of Networks
LAN (Local Area Network):
Definition
• Two or more computers or communicating devices which are in a room, on a floor, in a building, in a campus if connected are said to be connected on LAN.
MAN (Metropolitan Area Network):
Definition
• Two or more computers or communicating devices or networks which are geographically separated but in same metro city if connected are said to be connected on MAN.
WAN (Wide Area Network):
Definition
• Two or more computers or communicating devices or networks which are geographically separated but not in same metro city if connected are said to be connected on WAN.

What is IP address?
IP address is a unique number assigned to every device that is connected on the network/Internet.
In essence it acts as a address for every device on the internet.

Here are some images…that are common representations that signify networking and relate to the idea and concepts of Internet and computer networking.

 

Sudhanshu Mishra

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