Networks & WWW

Hey people!
Today we are going to see Networks & WWW.
You know what is Network? Network is a group of computer systems & other computing hardware devices that are linked together through communication channels. There are some types of network:
~LAN (Local Area Network):
Is a computer network that spans relatively small area. Most often, it’s confined to a single room, building or group of buildings.
~MAN (Metropolitan Area Network):
Is a computer network that spans an entire city of campos, they’re formed when multiple LANs are connected.
~WAN (Wide Area Network):
It’s a network that exists over a large-scale geographical area, it’s connects different smaller network including LANs & MANs.
And finally the WWW (World Wide Web):
It’s a network of online content that is formatted in HTML & access via HTTP.
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