1. Browsing and Searching the Web
Chapter 8
Browsing and Searching the Web
Practical PC, 4e
Chapter 8

2. Browsing and Searching the Web
In this Chapter, you will learn:
What a Web page is
What a URL is
How a browser works
How to use a search engine
How to save text and graphics found on the Web
How to create your own Web page
About protecting and sharing your Internet connection with a router
Practical PC, 4e
Chapter 8

3. Web Pages
A Web page is a document that can contain text, graphics, videos, sound clips and links to other pages.
Links between pages are called hypertext links and allow you to follow an information thread.
A computer linked to the Internet that holds a Web page is called a Web server.
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4. Web Pages
A group of related Web pages that contain information about a specific topic (such as a company, person, event, etc.) is called a Web site.
Each Web site is created and maintained by one or more people called Webmasters.
The main page on a Web site is called a home page.
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5. Web Pages A Web page often contains many links to other pages.
These links may be from a particular string of words (called a text link) or from a picture (graphics link).
When you move your cursor over one of these links, it turns into a hand-shaped link pointer.
Clicking a link sends a copy of the new page to your PC for you to view.
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6. Web Pages
A typical Web page
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7. What’s a URL?
Each Web server is located by a specific address called a URL (uniform resource locator).
URLs are constructed of several pieces:
Most begin with (Hypertext Transfer Protocol), for secure sights.
Web server’s name – i.e.
The top-level domain – i.e. .com, .org, or .edu
Using these three pieces connects you to the Web site’s home page –
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8. What’s a URL? URLs are constructed of several pieces (cont):
You can also connect directly to a specific page on the Web site using the folder and file name
Web pages are normally stored in HTML (Hypertext Markup Language) format
Path names follow the server name and are separated from it by slashes.
The world news site on CNN is:
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9. What’s a URL?
The format of a URL
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10. Using a Web Browser
A Web Browser (Browser) is software that reads Web pages and interprets the HTML tags embedded in each page so that it can be displayed on your screen.
Two popular browsers are Microsoft Internet Explorer and Netscape Navigator.
Some times in order to display special files or media, you might need to install a special plug-in.
Browsers often store information about you and your preferences in cookies on your PC.
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11. Looking at a Web Browser
Using a Web Browser
Looking at a Web Browser
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12. Using a Search Engine
A search engine is a giant catalog similar to the one at your library that allows you to locate information on Web pages.
Search engines work with key words or phrases
Most can handle both simple and combination searches.
Google and Yahoo are two common search engines.
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13. The Google search engine
Using a Search Engine
The Google search engine
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14. Saving Text and Graphics from the Web
You can print a Web page by using your browser’s print button.
You can copy text from Web pages by highlighting it and using the copy option on the browser. You can then paste it into any program.
You can copy graphics from the Web by right-clicking them and using the Save Picture as option.
Be aware that most information is copyrighted!
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15. Saving Text and Graphics from the Web
Copying information from a web site
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16. DSL and cable connections are always on
Hardware – Protecting and sharing your Internet connection with a router
DSL and cable connections are always on
Always-on connection puts the computer at risk of hacking
A firewall is a software program or hardware device that protects one or more computers from outside intruders
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17. Hardware – Protecting and sharing your Internet connection with a router
A router is a hardware device that connects a local area network to a larger network such as the Internet.
Because most routers use NAT or Network Address Translation, hackers on the Internet typically can only reach the router.
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18. Hardware – Protecting and sharing your Internet connection with a router
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19. Creating your own Web Pages
Using Word to create a Web Page
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20. The Filtering Controversy
What do you think?
The Filtering Controversy
If you had children, would you use filtering software on your home PC to block access to certain Web sites?
Do you think schools and public libraries that provide Internet access to children should use filtering software?
Do you believe that in some situations it is appropriate to use filtering software on computers accessed only by adults?
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21. Chapter Summary You should now be able to:
Understand how to locate Web sites.
Understand what the parts of a Web Page URL mean.
Work with a Web browser
Use a search engine
Save and print text and graphics from a Web page
Understand how to protect and share your Internet connection with a router
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