Lecture 3 - Introduction to the Internet


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  • Lecture 3 - Introduction to the Internet

    1. 1. +Educational TechnologyTeaching and learning with Internet TechnologiesSANKARSINGH,C TECH1001
    2. 2. +Session 3 What is the Internet?Brief history, Critical key concepts for teacher-users NavigationHow do we access or explore online resources? What are some of the bestpractices, how do we evaluate the information and the services before us? CommunicationWhat are the various forms of communication enabled by internet technologies?How do people use them? How can they be used for teaching and learning? Distance EducationWhat is it? The role of the Internet in DE? Benefits vs.PitfallsWhat are the challenges of teaching and learning online? How do we respond tothem as educators?SANKARSINGH,C TECH10012
    3. 3. +IcebreakerSANKARSINGH,C TECH10013
    4. 4. +The Internet :Mother of all Networks 1970’s US DOD (Dept of Def)developed 1st version of theInternet: DARPA Network(ARPAnet) Used for quick communicationamong researchers in variouslocations. 1980 NSF funds high-speedconnection among universitycenters based on the ARPAnetstructure Infrastructure A network of networks. Internet“between or among networks Networks connect computers toallow users to share resourcesand exchange information easily. A way for people in network sitesALL OVER THE WORLD tocommunicate with each other asthough they were on the samelocal area network.SANKARSINGH,C TECH10014History What is the Internet?
    5. 5. +The World Wide Web:An Internet Service an Internet service that linkssites around the world throughhypertext documents. subset of the Internet system refers to the entire “universe” ofnetwork-accessible information has a body of software, set ofprotocols and conventions We use a program called aWEB BROWSER to bring upone of these hypertext/media-based documents. Hypermedia [linked media]allow us to “travel” from site tosite. What browsers do you knowof? Which ones do you use?SANKARSINGH,C TECH10015What is the World Wide Web
    6. 6. +Navigation Internet protocols allowcomputers to communicate witheach other [ regardless ofmacs, windows, etc.] An important protocol is HOWWE LIST WEBSITEADDRESSES Every website has an address URLs are Internet addressesSANKARSINGH,C TECH10016Browser Uniform Resource Locator Gateway to the internet Software applicationprogramme installed on yourcomputer/device to allow you to“surf.”
    7. 7. +Navigation http://hypertext transfer protocol www.world wide web nationalgeographicname of site .comdomain designatorSANKARSINGH,C TECH10017Web Addresses Activity 1 (7 mins) Find one website with thefollowing domain designations: .org (organization) .gov (government agency) .tt (country) .com (business) .edu (educational) .net (network)
    8. 8. +Navigation with mobiletechnologiesGot a smartphone?SANKARSINGH,C TECH1001QR Codes8
    9. 9. +Navigation-Organization Search Engines are programs that help us to locate things:SANKARSINGH,C TECH10019 The address bar in the Google’s Chrome browser features a built-insearch engine. Other browsers may follow suit. Browsers allow us to Bookmark interesting sites that we may wish tore-visit/access more easily. Web services like Diigo also let us do this.
    10. 10. +Navigation-Research-EvaluationSANKARSINGH,C TECH100110Research & Evaluation Information located, now what? Information contained on awebsite must be evaluated. RelevancyIs the info related to the prob?Does it contribute to theintention of the search?Does it provide explanation?Examples? Alternativeperspectives? Credibility
    11. 11. +Evaluate = Read critically Who provided this information? Does the site author have authority in that field? If the site is published by an organization, do you recognize it? Is it clear when the site was developed and last updated? Is there a bibliography/resource list included? Is the content factual/opinion? Theoretical or evidence-based? Fact orfiction?SANKARSINGH,C TECH100111http://zapatopi.net/treeoctopus/Use the Criteria for Evaluating Website Content in your text (Chap 7) toevaluate the site above.
    12. 12. +Communication on the Internet Email Listservs/Mailing Listsa small program that automatically sendsmessages to multiple e-mail addresseson a mailing list Newsgroupsan Internet-based discussion about aparticular topic Blogs Wikis Chatrooms/Instant Messaging Discussion Forums Videoconferencing Social NetworkingSANKARSINGH,C TECH100112 www.techterms.com[Tech glossary for all your terms] Examples Gmail Wordpress, Blogger Wikianswers, wikihow Yahoo Messenger, WindowsLive Messenger, AIM chat Skype, Google Hangout Facebook, Twitter, LinkedIn,Pinterest
    13. 13. +Distance Education(VIDEO)SANKARSINGH,C TECH100113 A mode of delivering instruction, oftenon an individual basis, to learners whoare not present in a traditional settingsuch as a classroom. Well over a century old(correspondence, home, independentstudy) Technology-mediated distanceeducation? Can you recognize any aspectsof distance education currentlyin use at your institution? Separation of teacher & learner Synchronous or asynchronous Institutional accreditation Use of mixed media courseware http://www.col.org/SiteCollectionDocuments/ODLIntro.pdf Blended learning? Openlearning?
    14. 14. +Identify the technologies in thecartoons belowSANKARSINGH,C TECH100114
    15. 15. +Benefits of various technologies inEducation Preparing the 21st century workforce Exploring the world beyond textbooks Accessibility Individualized instruction Reporting & analysis Improving student achievement Enhancing quality of student work Special Needs Benefits to at-risk studentsSANKARSINGH,C TECH100115
    16. 16. + What are some of the characteristics of thetechnologies that impact teaching and learning Individualizing, organizing,personalizing searches Language-barrier removed Sharing, CooperationCollaboration Experimentation, scientificinquiry, data collection, student-centered investigation More? Limited functionality (free webservices, pay for what you use) Filtering Firewalls More?SANKARSINGH,C TECH100116+ -
    17. 17. +But when all the world’s a stage… MOVIE  Netiquette Flaming Sexting Cyber-bullying Phishing Identity TheftSANKARSINGH,C TECH100117
    18. 18. +Utilizing Technologies to enhancethe teaching & learning process Screencasts [Screenr, Screen-cast-o-matic] See my screencast of screencasting :-) Podcasts [Garageband (MAC); Audacity (WINDOWS) Webquests [Intro, Task, Process, Evaluation, Conclusion,Credits]SANKARSINGH,C TECH100118[Hands-on/Lab work]
    19. 19. SANKARSINGH,C TECH100119
    20. 20. +Next Week:Instructional SoftwareReview this class on BlackboardSANKARSINGH,C TECH1001