Networks and WWW.

Network are computer systems and other hardwares that are connected by communication channels.
There are three types: LAN( Local Area Network) , MAN( Metropolitan Area Network), and, WAN (Wide Area Network).

LAN : Spans a relatively small area, confined to a single room building or group of buildings.

MAN: Spans entire campus/ city, made from multiple LANs connected.

WAN: Spans a large -scale geographical area, Connects smaller networks like LANs and MANs .

What is the World Wide Web?

Was made by Tim Benners - Lee in 1991, It’s a network of online content formatted in HTML it refers to pages accessed over the internet.