Internet Explained: What is the Internet?

September 19, 2022

The Internet is a tremendous network of computers and electronic devices. Moreover, the internet is a collection of private, public, and virtual networks connected through LAN, MAN, and WAN.

How does the Internet work?

The internet is a set of interconnected networks. It uses a set of protocols called Transmission Control Protocol/Internet Protocol (TCP/IP).

Firstly, the Internet has two main components, network protocols, and hardware infrastructure. So, in order to complete a task on the net, a machine must adhere to the network protocols.

Secondary, it is worth mentioning that the Internet is a network of physical cables that includes coaxial or fiber optic cables. Moreover, even wireless networks rely on physical cables for the connectivity of net.

Finally, and most importantly, there are some hardware and software that are used in the functioning of the net. So, to clarify, let us discuss them briefly.


modem or modulator-demodulator is a computer hardware device. And for instance, a modem converts data from a digital format into a format suitable for transmission over the network.


A router is a computing device that connects two networks. Moreover, a router is responsible to provide an internet connection to devices connected with it.

World Wide Web (WWW)

The World Wide Web commonly known as the Web, is an information system that enables documents and other web resources to be accessed over the network.


A browser is a computer software with a user interface for surfing web pages. For example, so below are some of the famous browsers out there:

  • Google Chrome
  • Microsoft Edge
  • Firefox
  • Safari
  • Opera

Types of the Internet

For instance, so below are top types or sources.

  • Dial-up
  • DSL
  • Cable (Cable TV)
  • Satellite
  • Mobile (3G, 4G, 5G and 6G, for instance)

Internet Features or Uses

There are a lot of features and uses, so for instance below are some of them:

  • Communication (Email, Text, Video Conferencing, Audio Calls )
  • Social Networking (For example WhatsApp, Facebook, and Twitter)
  • E-Commerce
  • Education (LMS and Online Education Websites for instance)
  • Entertainment
  • Advertising and Marketing
  • Remote Work (For example Freelancing Platforms)
  • Scientific Research
  • Internet of Things

Internet Security

For instance, so below are some concepts related with network security:

  • Cyber Security
  • Information Security
  • Malware
  • Surveillance
  • Censorship

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