Basic Internet Concepts


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  • Video: Netiquette
  • Basic Internet Concepts

    1. 1. The World Wide Web What is the World Wide Web (WWW)? Also called the A worldwide collection of electronic documents Each electronic document is called a Web page Can contain text, graphics, sound, video, and built-in connections A Web site is a collection of related Web pages p. 75
    2. 2. The World Wide Web  What is a Web browser? ● Program that allows you to view Web pages p. 75
    3. 3. The World Wide Web What is a home page? ● The first page that a Web site presents ● Often provides connections to other Web pages p. 76 Fig.2-1a
    4. 4. The World Wide Web How do handheld computers and cellular telephones access the Web? ● Use a microbrowser that displays Web pages that contain mostly text ● Must be Internet- enabled p. 76 Fig. 2-7
    5. 5. The World Wide Web  What is downloading? ● The process of a computer receiving information ● Depending upon connection speed, downloading can take from a few seconds to several minutes p. 76
    6. 6. The World Wide Web  What is a URL? Unique address for a Web page A web server delivers the Web page to your computer
    7. 7. The World Wide Web  What is a link? ● Built-in connection to another related Web page location  Item found elsewhere on same Web page  Different Web page at same Web site  Web page at a different Web site p. 77
    8. 8. The World Wide Web  How can you recognize links? ● Pointer changes to a small hand when you point to a link ● A link can be text or an image ● Text links are usually underlined and in a different color p. 77 Fig. 2-9
    9. 9. The World Wide Web  What is a search engine? ● Program used to find Web sites and Web pages by entering words or phrases called search text  Also called a keyword p. 78 – 80 Fig. 2-10
    10. 10. The World Wide Web  What is a portal? ● A Web site that offers a variety of services from one, convenient location, usually for free  Searching, sports, e-mail, news, weather, auctions, Web communities (Web sites that join people with similar interests) p. 82 Fig. 2-14a
    11. 11. The World Wide Web  What is a thumbnail? ● Small version of a larger graphic —used toc improve Web page display time  Usually click on thumbnail to display larger graphic p. 86 Fig. 2-18
    12. 12. The World Wide Web  What is streamingaudio? The process of Enables you to transferring audio listen to music in a continuous as it downloads and even flow to your computer
    13. 13. The World Wide Web  What is video? ● Consists of full-motion images that are played back at various speeds ● MPEG (Moving Pictures Experts Group) is a popular video compression standard p. 88 Fig. 2-21
    14. 14. The World Wide Web  What is virtual reality (VR)? ● Use of computers to simulate real or imagined environment ● Appears as a three dimensional (3-D) space  Used for games and many practical applications p. 88 Fig. 2-22
    15. 15. The World Wide Web What are plug-ins? ● Programs that extend the capability of a browser ● You can download many plug-ins at no cost from various Web sites
    16. 16. Web Publishing  What is Web publishing? ● Development and maintenance of Web pages Step 2. Step 1. Analyze and Plan the design the Web site Web site Step 3. Create the Web site Step 5. Maintain Step 4. the Web Deploy the site Web site p. 89 Fig. 2-24
    17. 17. Netiquette  What is netiquette? ● Code of acceptable behaviors users should follow while on the Internet Golden Rule Treat others as you would have them treat you. p. 100