1. Exploring the Fundamentals of the Internet
1. Exploring the Fundamentals of the Internet
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Define what the internet is
Define basic internet-related terms
Explore different internet service providers (ISPs)
A network is when many computers or devices are connected to each other.
They can share things like pictures, messages, or games.
We use Wi-Fi routers and other tools to help the computers talk to each other.
Fig 1.1: Network
The Internet is a big group of networks from all over the world.
It helps computers talk to each other using special rules.
With the internet, you can:
Watch videos
Talk to friends
Look up facts
Play games
Example: When you search for a video on YouTube, your computer connects through the internet to find it for you!
Fig 1.2: Internet
Internet: The Internet is like a giant web that connects computers and devices around the world.
Example: You use the Internet to watch videos, send emails, or play games online.
World Wide Web (WWW): The World Wide Web is a collection of linked pages and websites that you can visit using a browser.
Example: Searching for your favorite cartoon shows on a website is using the World Wide Web.
Website: A website is a group of related pages, pictures, and videos found in one place on the Internet.
Example: www.nationalgeographic.com is a website full of information about nature and animals.
URL (Uniform Resource Locator): A URL is the address you type to reach a specific page or website on the Internet. Example: Typing "https://www.google.com" in your browser takes you to Google.
Web Browser: A web browser is a program that lets you open and view websites.
Example: Google Chrome, Safari, and Firefox are examples of web browsers.
Cookie: A cookie is a small file that websites save on your device to remember things like your login or preferences. Example: Cookies keep you logged in on your favorite game website.
Cache: A cache stores parts of websites on your device to help them load faster the next time you visit.
Example: Your school website opens quicker because it’s stored in your cache.
ISP (Internet Service Provider): An ISP is a company that gives you access to the Internet.
Example: Airtel, Jio, and BSNL are Internet Service Providers in India.
Wi-Fi: Wi-Fi is like invisible internet air that helps your devices connect to the internet without wires.
Example: When you use your tablet to watch YouTube at home or school.
Router: A router is a device that connects many devices to the Internet, often giving Wi-Fi access.
Example: The Wi-Fi router at home lets your phone and computer get online.
ISP stands for Internet Service Provider.
An ISP is a company that helps people connect to the Internet.
Without an ISP, we would not be able to open websites, send emails, or play online games!
Example: When you use Wi-Fi at home to watch YouTube or play games, your Internet is provided by an ISP.
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