Lesson 6.2: Understanding Internet and Web Browsers
In this lesson, you’ll learn what the Internet is, how it works, and how to use web browsers to access information.
π What is the Internet?
The Internet is a global network of millions of computers and servers connected together. It allows users to:
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Access websites
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Send and receive emails
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Share files and information
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Use online services like banking, shopping, education, etc.
π How Does the Internet Work?
When you open a website or click on a link:
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Your computer sends a request through your internet connection.
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The request travels to a server where the website is stored.
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The server sends back the website data, which appears on your screen.
π What is a Web Browser?
A web browser is a software application used to access and view websites.
Popular web browsers include:
| Browser Name | Company |
|---|---|
| Google Chrome | |
| Mozilla Firefox | Mozilla |
| Microsoft Edge | Microsoft |
| Safari | Apple |
| Opera | Opera Software |
π What is a Website?
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A website is a collection of related web pages located under a single domain name.
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Example:
www.wikipedia.org
Each web page has its own URL (Uniform Resource Locator), which is the address you type in the browser to open it.
π οΈ Parts of a Web Browser Window
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Address Bar β Where you type the website URL.
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Back/Forward Buttons β Navigate through web pages.
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Refresh/Reload Button β Reload the current page.
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Home Button β Goes to your browserβs home page.
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Tabs β Open multiple websites at once in the same window.
π¨ Tips for Using Web Browsers:
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Use bookmarks to save frequently visited sites.
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Keep your browser updated for better speed and security.
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Avoid clicking on suspicious pop-ups or ads.
π Practice Questions:
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What is the purpose of a web browser?
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Name three popular web browsers.
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What is a URL?
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What happens when you type a web address and press Enter?
