Chapter - 9 : Internet By Pratap Sanjay Sir

Class 8 Computer Chapter 9: Internet

Chapter- Internet By Pratap Sanjay Sir

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🌐 Internet

➭ The Internet is a global network of computers and other devices that are connected together, allowing them to communicate and share information.

➭ The Internet is the infrastructure, while services like the World Wide Web (WWW) run on it.

🌐Internet Related Some Important Point

🌍 World Wide Web (WWW)

➭ The World Wide Web is a system of interlinked web pages that can be accessed using a web browser through the Internet. It was created by Sir Tim Berners-Lee in 1991.

➭ WWW contains various types of content such as text, images, audio, and video.

➭ Important: WWW is a service on the Internet, not the Internet itself.

📄 Web Page vs Website

➭ Web Page: A single HTML document on the internet. Examples include a Gmail login page or a Wikipedia article.

➭ Website: A collection of related web pages connected together, like google.com or youtube.com.

🏠 Home Page

➭ The home page is the main page of a website. It provides an introduction to the website and contains navigation links to other pages.

➭ It acts as a starting point for visitors to explore the website easily.

🔗 URL (Uniform Resource Locator)

➭ A URL is the complete address of a web page on the Internet.

Examples: https://www.google.com | https://www.youtube.com

➭ Components of a URL:

• Protocol: Specifies the method used to access the resource (e.g., https).
• Domain: Name of the website (e.g., google.com).
• Path: Location of the specific page on the website (e.g., /search).

📡 ISP (Internet Service Provider)

➭ ISPs are companies that provide internet access to users.

➭ Examples include Jio, Airtel, BSNL, and other providers that offer broadband, mobile data, and fiber connections.

🌊 Net Surfing

➭ Net surfing refers to browsing different websites using web browsers like Google Chrome, Mozilla Firefox, or Microsoft Edge.

➭ Users can read information, watch videos, play games, and explore resources on the internet while surfing.

🔍 Search Engine

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

Popular Search Engines: Google, Bing, Yahoo.

➭ They provide links, images, videos, and other resources relevant to the searched query.

🖥️ Server

➭ A server is a powerful computer that stores websites, files, and data, and makes them accessible 24×7 on the Internet.

➭ Types of servers include web servers, file servers, mail servers, and database servers.

➭ Servers ensure that users can access websites and services without interruption.

Multimedia, Streaming & Blogging

🚀Multimedia on Internet

➭ Multimedia refers to the use of multiple forms of media such as text, images, audio, video, graphics, and animations on websites.

➭ Multimedia helps in learning (tutorials), entertainment (movies, games), business (advertising), and communication (video calls).

➭ Examples: Educational websites, news portals, online games, and entertainment platforms use multimedia content.

📱 Streaming Media

➭ Streaming allows watching or listening to audio/video without downloading the complete file.

➭ The media plays instantly as data loads in small parts.

➭ Popular platforms: YouTube, Netflix, Amazon Prime, Spotify.

➭ Streaming controls available: Play, Pause, Volume, Fullscreen, Quality control, Speed control.

➭ Requires a stable internet connection for smooth playback.

🖼️ Downloading Images

➭ Steps to download images from the internet:

1. Go to www.google.com.
2. Click on the Images tab.
3. Type your search keyword (Example: “Flowers”, “Maps”, “Animals”).
4. Right-click the selected image.
5. Select Save image as.
6. Choose file format (JPG / PNG / GIF) and save to your folder.

➭ Note: Do not download copyrighted images without permission.

🎥 YouTube Videos

➭ YouTube is the world’s largest video-sharing platform where users can watch, upload, and share videos.

1. Open www.youtube.com.
2. Type a topic in the search bar (e.g., “Class 8 Computer”, “Science One shot Video”).
3. Select a video and click play.
4. Use controls: Play/Pause, Volume, Captions, Speed, Full-screen, and Time Slider.

➭ YouTube also suggests related videos and playlists for continuous learning.

✍️ Blogging

➭ A blog (Web Log) is an online platform where a person shares ideas, information, or experiences.

➭ The person who writes a blog is called a blogger.

➭ Blogs help in knowledge sharing, earning money, teaching, and expressing thoughts.

Types of Blogs:

1. Personal Blogs
2. Corporate Bolgs
3. Media Blogs

1. Personal Blogs: Written by individuals to share personal life, hobbies, or experiences. Example: Travel diary blog, cooking diary.
2. Corporate Blogs: Created by companies to promote products and share business updates. Example: Google's official blog, Amazon business blog.
3. Media Blogs: Share news, reviews, and trending topics quickly. Example: NDTV blogs, Times of India blog.

🔐 Blogger Account Creation

➭ Steps to create a Blogger account:

1. Visit www.blogger.com.
2. Click Sign in and log in with your Gmail account.
3. Enter your Display Name (this will appear on your posts).
4. Click Continue to Blogger.

➭ After login, you can create multiple blogs from the dashboard.

🆕 New Blog Creation

➭ To create a new blog:

1. Click the Create New Blog button.
2. Enter a suitable blog Title.
3. Choose a unique URL (web address).
4. Select a Theme/Template for design.
5. Click Create Blog to finish setup.

➭ Your blog is now live on the Internet.

📝 Publishing Blog Post

➭ Steps to publish your first blog post:

1. Click on New Post.
2. Add a title (e.g., “My First Blog”).
3. Write content in the text editor.
4. Format using tools: Bold, Italic, Underline, Images, Links, etc.
5. Click Publish to make your post visible on the Internet.

➭ You can also edit, delete, or update posts later.

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