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Published byOswald Fisher Modified over 9 years ago
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The Internet Week 2
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Cyberspace- Definitions uPeople using the new technology to communicate with one another uPerson to person communication - that is many-to-many uThe use of computer technology
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Everyday Uses in Cyberspace u1980’s u Word Processing, Document preparation u Telecommuting, Teleworking u Children’s games, Recreation
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Everyday Uses of Cyberspace u1990’s until Today u Children’s school work, Education u Adult Remote Education at home u Family/Friends Communications, Correspondence u Reading News events, casual reading u Family Travel, Recreation u Family Records u Home Banking, Financial Management u Facebook, etc.
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Everyday Uses of Cyberspace uIn-store and other purchases u ATM, Debit card uHome Shopping u TV, on-line services, Smartphones uFood Preparation u multimedia, TV, On-line services
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Everyday Uses of Cyberspace uFuture (almost here) u Household Automated Tasks u Smart home u Smart appliances u Home robotics u Home information systems
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The Internet uWorldwide connection u 54,000,000,000 webpages u 1.9B users uTCP/IP
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Internet History u1960’s - ARPA u packet switching u1970’s - Universities u LAN u Email u UNIX u Newsgroups
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Internet History u1980’s - MILnet, NSFnet u DNS u No longer only research oriented (business) uTCP/IP u reliable, efficient, robust
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Internet History u1990’s until Today u WWW born u Commercialization u Advertisements u Ordinary people publish u Smartphones
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Reason for Success? uNo central authority uInexpensive uCapabilities are popular uEasy to use
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Impacts of WWW uOpening of access to information uReduction of delay for information uEvolution of hypertext
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Metcalfe’s Law uThe value of a network is proportional to the square of the number of its users
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Original Uses uRemote Login uFile Transfer uResearch
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The Basic Uses of the Net uE-mail uDiscussion groups uFile transfer uLong distance computing uResearch uData/Image Transfer uGeneral Communications
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E-Mail - Uses uSend messages u Work u Personal u MIME capabilities
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E-Mail - Advantages uNo busy signal uAlways an answer uReader can view at any time uCost effective uFast uReliable
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E-Mail - Advantages uFacilitates teleworking uPromotes communication that would normally not take place due to costs
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E-Mail - Disadvantages uHave to be networked to use it uNot 100% reliable uWho else is reading the mail?
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Discussion Groups - Uses uShare ideas uEducation uSpread beliefs to others uMOO - chat room with an atmosphere
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Discussion Groups - Disadvantages uAnonymity - Who is really there with you? uSubject matter digresses uTruth of information unconfirmed
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Other Uses uBanking uShopping uTelemedicine uEducation uGeneral source of “information” uPersonal Connections
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Advantages uNo need to get in a car uSaves $ uExposure to things not available before uReach more people
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Disadvantages uPrivacy uSecure transfers of information uHackers uCan’t use everywhere uChildren and censorship uIllegal activity - piracy, gambling
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