Network

It’s a group of computer systems and other computing network devices linked together through communication channel as to facilitate communication and resource-sharing among a wide range of users.

WwwIs an information space where documents and other web resources are identified by Uniform Resource Locators (URLs), interlinked by hypertext links, and accessible via the Internet.

Types:

• Personal area network, or PAN 

• Local area network, or LAN 

• Metropolitan area network, or MAN 

• Wide area network, or WAN

• Storage area network, or SAN 

• Enterprise private network, or EPN 

• Virtual private network, or VPN

https://en.m.wikipedia.org/wiki/World_Wide_Web

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