Internet

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  • URL- Uniform Resource Locator Protocol-address/server name include activity suffix-pathname (file structure) and file name ending with htm. Or html
  • Internet

    1. 1. COMPUTER BASICS <ul><li>THE INTERNET </li></ul>
    2. 2. Agenda <ul><li>Definition of internet </li></ul><ul><li>Internet functions </li></ul><ul><ul><li>Browsing </li></ul></ul><ul><ul><li>Email </li></ul></ul><ul><ul><li>Chat </li></ul></ul><ul><ul><li>Other </li></ul></ul><ul><li>Internet browsers/Internet explorer </li></ul>
    3. 3. What is the Internet? <ul><li>Network of networks </li></ul><ul><li>No overall organization </li></ul><ul><li>Content determined by participants </li></ul><ul><li>Today synonym with WWW </li></ul>
    4. 4. Browsing <ul><li>Job searching </li></ul><ul><li>Government information </li></ul><ul><li>Banking </li></ul><ul><li>Finding people </li></ul><ul><li>Playing games </li></ul><ul><li>Reading newspapers and magazines </li></ul><ul><li>Research </li></ul><ul><li>Shopping </li></ul><ul><li>Downloading programs or files </li></ul>
    5. 5. Email <ul><li>Electronic mail </li></ul><ul><li>Non-secure </li></ul><ul><li>Client software – company or ISP </li></ul><ul><ul><li>Resides on computer </li></ul></ul><ul><ul><li>Needs special program (eg. Outlook, Eudora, Netscape Messenger) </li></ul></ul><ul><ul><li>Not available in public libraries </li></ul></ul><ul><ul><li>Advantage are contacts on web pages </li></ul></ul><ul><li>&quot;Ottawa Public Library contacts, &quot; (http://www.library.ottawa.on.ca/english/contact/index.htm) </li></ul>
    6. 6. Email (cont.) <ul><li>Web-based email </li></ul><ul><ul><li>Program resides on web page </li></ul></ul><ul><ul><li>Free service </li></ul></ul><ul><ul><li>Available from any internet computer </li></ul></ul><ul><ul><li>Must go to website to send/receive mail </li></ul></ul><ul><ul><li>Attached files may be problem </li></ul></ul>
    7. 7. Chat <ul><li>Used most often by children and teens </li></ul><ul><li>Safety precautions necessary </li></ul><ul><li>Wide variety of chat rooms/subjects </li></ul><ul><ul><li>dir.yahoo.com/computers_and_internet/internet/world_wide_web/chat/ </li></ul></ul><ul><li>Should monitor first </li></ul><ul><li>IRC, web-based and instant messenger </li></ul>
    8. 8. Web-based chat <ul><li>Most common with improvements in bandwidth </li></ul><ul><li>Kind used in libraries </li></ul><ul><li>Need plugin or applet to use so not all will work </li></ul><ul><li>Available from many websites </li></ul>
    9. 9. Other functions <ul><li>Usenet </li></ul><ul><ul><li>Newsgroups ( groups.google.com ) </li></ul></ul><ul><li>Telnet </li></ul><ul><ul><li>Joining another computer system </li></ul></ul><ul><ul><li>Often used for receiving non web-based email </li></ul></ul><ul><li>Ftp </li></ul><ul><ul><li>Site set up to distribute files (called anonymous ftp) </li></ul></ul>
    10. 10. Browsers <ul><li>Way to view html documents (URLs) </li></ul><ul><li>Often needs plugins for multimedia applications </li></ul><ul><li>3 main browsers </li></ul><ul><ul><li>Internet Explorer (Microsoft) </li></ul></ul><ul><ul><li>Netscape Navigator (Communicator) </li></ul></ul><ul><ul><li>Opera (independent company known for efficient design, linked to Qualicum) </li></ul></ul>
    11. 11. Web Pages <ul><li>Effects and display different in different browsers </li></ul><ul><li>Applications not always available on public computers </li></ul><ul><li>URL (address) starts with name of server or host computer separated from the domain name (sponsor of the site) by a period. After domain name have a period and then the type of domain(eg. gov mean U.S. government,com refers to commercial site, edu a university site, org a non-profit organization.) </li></ul>
    12. 12. Web pages cont. <ul><li>Frames </li></ul><ul><ul><li>Scroll bars within page (up and down and side to side) </li></ul></ul><ul><ul><li>Address in address bar belongs to host site instead of displaying actual address </li></ul></ul><ul><ul><li>Printing will print frame unless text clicked on before printing. </li></ul></ul>
    13. 13. Internet Explorer <ul><li>Ways to access a Web page or URL </li></ul><ul><ul><li>Address bar (type in or use drop-down menu) </li></ul></ul><ul><ul><li>Open file (website or file) </li></ul></ul><ul><ul><li>Hypertext links (look for hand cursor) </li></ul></ul><ul><ul><li>Bookmarks/Favorites (not available in library) </li></ul></ul><ul><ul><li>Personal links (not available in library) </li></ul></ul>
    14. 14. Internet Explorer menu bar <ul><li>File </li></ul><ul><ul><li>New (CTL +N) – New window </li></ul></ul><ul><ul><ul><li>View two pages at once or waiting for new page </li></ul></ul></ul><ul><ul><ul><li>Keep to minimum </li></ul></ul></ul><ul><ul><li>Open (CTL +O) – File or web page </li></ul></ul><ul><ul><li>Saving web pages </li></ul></ul><ul><ul><ul><li>Html (open in browser) </li></ul></ul></ul><ul><ul><ul><li>Text (for word processor and email) </li></ul></ul></ul><ul><ul><li>Print – Page one to see no. of pages or selection (new version of IE has Print Preview) </li></ul></ul>
    15. 15. Practice <ul><li>Open a new screen </li></ul><ul><li>Use File menu to open http://www.ithaca.edu/library/training/useful.html </li></ul><ul><li>Save this web page as an HTML file on your desktop </li></ul>
    16. 16. Internet Explorer menu bar (cont.) <ul><li>Edit </li></ul><ul><ul><li>Find (CTL-F) </li></ul></ul><ul><li>View </li></ul><ul><ul><li>Go To </li></ul></ul><ul><ul><li>Stop (ESC) </li></ul></ul><ul><ul><li>Refresh (F5) www.globeinvestor.com </li></ul></ul><ul><ul><li>Source </li></ul></ul><ul><ul><li>Text size </li></ul></ul><ul><ul><li>Encoding (for non roman alphabets) </li></ul></ul>
    17. 17. Practice A <ul><li>Minimize the screen </li></ul><ul><li>Open How Can You Find Anything web page which you saved on the desktop </li></ul><ul><li>Find the words EDGAR </li></ul><ul><li>Click on that hyperlink </li></ul>
    18. 18. Practice B <ul><li>Type the following URL in the address bar http://www.ithaca.edu/staff/jhenderson/ </li></ul><ul><li>Click on Stop after a few seconds to halt downloading graphics </li></ul>
    19. 19. Tool bars <ul><li>Back and forward buttons </li></ul><ul><li>Stop </li></ul><ul><li>Refresh </li></ul><ul><li>Home (choose wisely) </li></ul><ul><li>Search </li></ul><ul><li>History </li></ul><ul><li>Print </li></ul>
    20. 20. Bookmarks/Favourites <ul><li>Way to keep track of useful websites </li></ul><ul><li>Not available on library machines </li></ul><ul><li>Should have organizational structure </li></ul><ul><li>Personal links for heavily used sites </li></ul>
    21. 21. Bookmarks/Favourites (cont.) <ul><li>Add to favourites </li></ul><ul><ul><li>Create in (choose folder or create a new one) </li></ul></ul><ul><ul><li>Make sure correct folder is highlighted when creating subfolder or favourite </li></ul></ul><ul><ul><li>Press create in </li></ul></ul><ul><ul><li>If you already see the list of folders you only have to highlight the relevant folder and click on the OK button </li></ul></ul>
    22. 22. Further Study : Websites <ul><li>Internet 101 http://www.internet101.org/internet101.html </li></ul><ul><li>Exploring the Web http://www.sofweb.vic.edu.au/internet/explore.htm </li></ul><ul><li>Browsing Basics – Internet Explorer http://www.websearchguide.ca/tools/IE5Win/navfram.htm </li></ul>
    23. 23. <ul><li>? </li></ul>
    24. 24. <ul><li>Thanking You. </li></ul>

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