The internetA global network connecting millions of computers. is a worldwide collection of computer networkA group of interconnected computers/devices.. The term ‘internet’ refers to the network infrastructure, not the content stored on it.
The purpose of the internet is to enable communication on an international scale. Any device which connects to the internet - whether a PC, smartphone or internet fridge - becomes part of the internet, no matter where it is based.
The internet largely works on the client-serverA form of computer networking where the data or web application is hosted on a server and accessed by client computers. model. For example:
web serverA computer that serves web pages to users. store and maintain web content, which is downloaded upon request to client computers
mail server A server on a network that provides email facilities. handle web-based email
media serverA server on a network that stores media files and streams them to connected devices. allow clients to stream music and videos
