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Internet and The World Wide Web

VIEWS: 6 PAGES: 35

									            Introduction to the Internet
             and The World Wide Web




B. Tudin Information Technologies   12/10/2011   1
          What on Earth is the Internet?




              The Internet is the largest network
              of computers in the world using the
                      TCP/IP protocols.
                    (Network of Networks)
B. Tudin Information Technologies   12/10/2011      2
                            Internet Ownership

                                    • Who owns the Internet?
                                    • No one, everyone
                                    • Predominated by government, the
                                      academic community and industry
                                    • Strong U.S. presence - Trail blazers
                                    • “The New Frontier/The Wild West”




B. Tudin Information Technologies         12/10/2011                         3
                                                    Internet Growth
                             14


                             12


                             10
          Hosts (Millions)




                             8


                             6


                             4


                             2


                             0
                                  Jul-96   Jul-95     Oct-94          Jan-94   Jul-93   Jan-93



          Source: Network Wizards, Internet Domain Survey, July 1996
          http://www.nw.com

B. Tudin Information Technologies                        12/10/2011                              4
                                           Internet Growth
                    500,000

                    450,000

                    400,000

                    350,000

                    300,000
          Domains




                    250,000

                    200,000

                    150,000

                    100,000

                     50,000

                         0
                              Jul-96   Jul-95    Oct-94      Jan-94   Jul-93   Jan-93



             Source: Network Wizards, Internet Domain Survey, July 1996
             http://www.nw.com
B. Tudin Information Technologies               12/10/2011                              5
                                                   World Wide Web Growth


                             250000


                             200000
       Number of Web Sites




                             150000


                             100000


                             50000


                                 0
                                      Jun-93   Dec-93   Jun-94    Dec-94   Jun-95   Jan-96   Jun-96



     Source: Matthew Gray, Growth and Usage of the Web and the Internet, 1996
     http://www.mit.edu:8001/people/mkgray/net/web-growth/summary.html

B. Tudin Information Technologies                            12/10/2011                               6
                          Client /Server Model of The Internet
                                                        Finance
                                    Media
                                                                  Computers
          Education
                                                                          Real Estate


           Health                           Interne                             Government



              Universities
                                            t                        Business



   John Q. User                                              Service Provider Software
                                                             Trumpet Winsock
                                                             MacTCP / Mac PPP
                                                             Eudora - E-Mail
                                                             Netscape - WWW Browser
                                                             FTP
                                             Server
              Client                                         Telnet
B. Tudin Information Technologies              12/10/2011                                    7
                         Role of the
                  Internet Service Provider
             Finding an Internet Service Provider is critical to
              your successful use of the Internet and the World
              Wide Web.
          An         Internet Service Provider will ensure that
              all your personal and business needs are met
              through the provision of four basic elements:
          ACCESS
          TOOLS
          TRAINING
          TECHNICAL                SUPPORT
B. Tudin Information Technologies    12/10/2011                     8
                  E-Mail (Electronic Mail)
        most   popular Internet application
        easy way to send /receive messages and
         files, save paper
        cheaper than commercial services
        no long distance charges, fast, cost-effective
        global communication and data exchange
        ability to send mail to a group
        permanent log of correspondence
B. Tudin Information Technologies   12/10/2011            9
                                    USENET
            global network of Newsgroups
           forums on specific subjects
           used to discuss and exchange information
           content rich and topics which are varied
           estimate 10 million + participants
           exhaustive supply of information
           dynamic and ever changing like the web


B. Tudin Information Technologies     12/10/2011       10
                           What is the
                         World Wide Web?
              The World Wide Web (WWW)
                   is a global interactive,
                 dynamic, cross platform,
                    graphical hypertext
               information system that runs
                       on the Internet.
B. Tudin Information Technologies   12/10/2011   11
                  What is a Web Browser?
       A     Web Browser is special software such
            as Netscape, Mosaic or Internet Explorer.
            These browsers allow a user to view Web
            pages delivered from a client server (Web
            Site) situated at a particular URL on the
            World Wide Web.




B. Tudin Information Technologies   12/10/2011          12
      Netscape




B. Tudin Information Technologies   12/10/2011   13
      Mosaic




B. Tudin Information Technologies   12/10/2011   14
      Internet Explorer




B. Tudin Information Technologies   12/10/2011   15
               What is a Web Page?
        A Web Page is a single document written
             in HTML (Hyper Text Mark-up
          Language) that includes the text of the
           document, its structure, any links to
           other documents and graphic images
                    and other media.


B. Tudin Information Technologies   12/10/2011      16
                              What is a URL?
       A URL or Uniform Resource Locator is a
       unique address for the location of any type
        of Internet resource, whether it is a single
           file on an FTP site, an entire Gopher
               server, or a page on the Web.

                              Sample URL Address
             http://www.inasec.ca/com/btudin/tudmain.htm

B. Tudin Information Technologies    12/10/2011            17
          Search Engines on the WWW
         Tools on the WWW used to search and find
          web sites related to a particular topic
         provide for searching using keywords and
          boolean operators
         Popular ones are Alta Vista, Infoseek,
          HotBot,Web Crawler, Lycos and Yahoo
         Over 300 + at present




B. Tudin Information Technologies   12/10/2011       18
    InfoSeek




B. Tudin Information Technologies   12/10/2011   19
           Lets now surf the World Wide
           Web and check out some new
            and interesting Web Sites.



                                    WWW


B. Tudin Information Technologies   12/10/2011   20
 Academic Institutions




B. Tudin Information Technologies   12/10/2011   21
      Environmental Protection




B. Tudin Information Technologies   12/10/2011   22
   Magazines




B. Tudin Information Technologies   12/10/2011   23
   News




B. Tudin Information Technologies   12/10/2011   24
          Market your Business on the
                Web with Java




B. Tudin Information Technologies   12/10/2011   25
      Clip Art




B. Tudin Information Technologies   12/10/2011   26
       Internet Banking




B. Tudin Information Technologies   12/10/2011   27
   Politics




B. Tudin Information Technologies   12/10/2011   28
        Employment Opportunities




B. Tudin Information Technologies   12/10/2011   29
   Entertainment




B. Tudin Information Technologies   12/10/2011   30
   Tourism




B. Tudin Information Technologies   12/10/2011   31
     Sports




B. Tudin Information Technologies   12/10/2011   32
            Visit the World Wide Web via
                      the Internet




                   Come and take your first trip into
                             Cyber Space...
                        It won’t be your last !
B. Tudin Information Technologies   12/10/2011          33
               This slide presentation was designed by
     B. Tudin Information Technologies

            For additional information contact:
           B. Tudin Information Technologies
                   6130 Heritage Park
        Gloucester, Ontario, CANADA K1C 7G6
                Telephone: (613) 834-1849
                E-Mail: btudin@inasec.ca
        Visit our site on the World Wide Web at
     http://www.inasec.ca/com/btudin/tudmain.htm
B. Tudin Information Technologies   12/10/2011           34

								
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