Introduction to Internet and Web Browsers | Complete Notes

8. Introduction to Internet and Web Browsers

The Internet has become an essential part of modern life. It connects millions of computers worldwide and allows people to communicate, share information, learn, and conduct business. Web browsers are the tools that help users access information on the Internet.

What is the Internet?

The Internet is a global network of interconnected computers that communicate with each other using standard communication protocols.

Connects computers all over the world
Allows sharing of information and resources
Works 24 hours a day

The Internet is not owned by any single organization or government.

Services Provided by the Internet

Service	Purpose
Email	Sending and receiving electronic messages
World Wide Web (WWW)	Accessing websites and web pages
Video Conferencing	Online meetings and virtual classes
Online Shopping	Buying and selling products online
Cloud Services	Online storage and applications

World Wide Web (WWW)

The World Wide Web (WWW) is a collection of web pages that are linked together and accessed through the Internet using web browsers.

Uses hyperlinks to connect web pages
Web pages are written using HTML
WWW is a service of the Internet, not the Internet itself

Web Browser

A web browser is a software application used to access, retrieve, and display web pages on the Internet.

Web Browser	Purpose
Google Chrome	Fast and widely used browser
Mozilla Firefox	Open-source and secure browser
Microsoft Edge	Default browser for Windows
Safari	Browser for Apple devices

Uniform Resource Locator (URL)

A URL is the address of a web page on the Internet. It tells the browser where to find a particular resource.

Example of a URL: https://www.example.com

Protocol (https)
Domain name (www.example.com)

Search Engine

A search engine is a tool that helps users find information on the Internet by entering keywords.

Search Engine	Function
Google	Searches information on the web
Bing	Microsoft search engine
DuckDuckGo	Privacy-focused search engine

The Internet connects the world by enabling communication and information sharing. Web browsers allow users to explore the World Wide Web, while search engines help locate information quickly. Understanding these concepts is essential for learning computer fundamentals, digital literacy, and modern web technologies.