1 / 19

The Internet & The World Wide Web

The Internet & The World Wide Web. What is the Internet?. The Internet is a. ... distributed hypermedia network of networks. Distributed. Information on the Internet is located on many millions of computers No one agency has jurisdiction of the Internet; everyone plays a part.

ronli
Download Presentation

The Internet & The World Wide Web

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. The Internet & The World Wide Web

  2. What is the Internet?

  3. The Internet is a... ... distributed hypermedia network of networks

  4. Distributed • Information on the Internet is located on many millions of computers • No one agency has jurisdiction of the Internet; everyone plays a part

  5. Hypermedia • The Internet supports many different formats of information • Text files • Pictures • Photographs • Sound files • Video files

  6. Network of Networks • Network : two or more computers hooked together • Network of networks : Hundreds of Thousands of networks of computers all hooked together

  7. How the Internet Works • Packet Switching • TCP-IP • Connecting to the Internet • Schools, Companies • Online Service • Internet Service Provider

  8. E-Mail Addresses • Username followed by “@” symbol • Computer name and domain mbroadstreet@student.ponderisd.net Username Computer name & domain

  9. Internet Addresses • IP Address– Internet Protocol – 4-part numeric address for internet locations 198.105.232.4 • Domain Name – Text version of the IP address www.microsoft.com

  10. URL: Uniform Resource Locator • “Address” of a file on the Internet • Contains type of protocol followed by the computer name, directory and file name • http://www.capecod.net/Wixon/wixon.htm • ftp://wuarchive.wustl.edu/pub/windows/psp3.zip • mailto:mbroadstreet@student.ponderisd.net

  11. Anatomy of a URL Hypertext Transfer Protocol Directory on the server Address of ISP http://www.ponderisd.net/mbroadstreet/bim.htm File name (HTML format)

  12. Web Browsers • A computer program that lets you access the WWW and “browse” the Internet for information • Common browsers : Netscape Navigator Internet Explorer Firefox AOL, MSN

  13. Home Page

  14. Hyperlink Web site • Links in documents that quickly move the user from one document to another. • Internet locations that contain hyperlinked documents

  15. Different Domains on the Net .com commercial .net network .edu educational .org organization .mil military .gov government

  16. Multimedia on the Web 1. Graphics Gifs, JPEGS 2. Animation Animated GIFs, Flash, Shockwave 3. Audio Simple Audio, Streaming Audio 4. Video Streaming Video, Real Player 5. Virtual reality – 3D Games

  17. Searching for Information on the Web • Organized Directories of Web sites • Search tools • Search engine – software program that finds web sites

  18. Finding Information on the WWW Search Engines • Software programs that scan the contents of Web servers to create large indices of information • User can perform keyword searches • Google, Yahoo • Newest – Cuil, Bing

  19. The Internet & The World Wide Web Where do you want to go today?

More Related