Internet access

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Internet access

  1. 1. Internet Access<br />Yi (Kobe) Yang<br />Anna Qin<br />Yiwen (Cora) Li<br />Shane Ryan<br />
  2. 2. Introduction and History<br /> Kobe Yang<br />
  3. 3. Introduction<br />Important tool in Modern life<br />Internet Access means connect to internet<br />Wired and wireless<br />
  4. 4. History<br />Research and development in scientific and military fields (1960)<br />1962, J.C.R Licklider of MIT, first proposed a global network of computer<br />MIT & UCLA formed the basis of Internet connections<br />Lawrence Roberts connected a Massachsetts comouter with a California computer in 1965 over dial-up telephone lines. <br />
  5. 5. History<br />Known as ARPANET by Roberts developed his plan for ARPANET in 1966<br />In 1969, four major computers at universities in the southwestern US got connected<br />Used by experts, engineers, scientists<br />Learn how to use Complex system<br />
  6. 6. Wired Internet Access<br /> Cora Li<br />
  7. 7. TYPES:<br />Dail-up Internet Access<br />2. ISDN Internet Access <br />3. DSL Internet Access<br />4. Cable Internet Access<br />5. Fiber-optic Internet Access<br />6. Power-line Internet Access<br />
  8. 8. Dail-up<br /> It is a form of access to the world wide web that uses telephone lines. The user's computer or router uses an attached modem connected to a telephone line to dial into an Internet Service Provider's (ISP) node to establish a modem to modem link.<br />
  9. 9. ISDN<br />Integrated Service Digital Network (ISDN) is circuit-switched telephone network system. It is a set of communication standards for simutaneous voice, video, data, and other network services over the traditional circuits of the public swtiched telephone network.<br />ISDN connections are popular in Europe.<br />
  10. 10. DSL<br />The video below compared DSL vs Dail-up<br />http://www.youtube.com/watch?v=mI6Uh6D3NvA&feature=player_embedded<br />
  11. 11. Cable<br />It refers to the Internet access provided through the cable connections of the television. <br />
  12. 12. Fiber-optic<br /><ul><li>Fiber optic internet access providers use the optical fiber for the transmission of information.
  13. 13. The process of communicating using fiber-optics involves the following basic steps: </li></ul> 1.Creating the optical signal involving the use of a transmitter<br />2.Relaying the signal along the fiber<br />3.Ensuring that the signal does not become too distorted or weak, <br />4.Receiving the optical signal, and converting it into an electrical signal. <br /> <br />
  14. 14. Power-line<br />In this kind of data transmission the power distribution line is utilized. <br />Consumers can buy powerline adapter sets at most electronics retailers and use those to establish a wired connection using the existing electrical wiring in the home.<br />
  15. 15. Wireless Internet Access<br />Anna Qin<br />
  16. 16. Introduction<br />A local area network (LAN)<br />Broadcast from a central hub, which is a hard-wired device that actually brings in the internet connection <br />Convenient both at home and workplace<br />
  17. 17. Types of Wireless<br />Wi-fi Internet Access Providers <br />WiBro Internet Access Providers <br />WiMAX Internet Access Providers<br />UMTS-TDD Internet Access Providers<br />EVDO Internet Access Providers<br />Satellite Internet Access Providers<br />
  18. 18. Wi-fi Internet Access<br />Offers access of internet through WLAN or wireless local area networks <br />The coverage of one or more access points-called hotspots-can comprise an area as small as a few rooms or as large as many square miles <br />Provide private and public internet access<br />
  19. 19. WiBro Internet Access<br />A portable internet service provider <br />Offers a high data rate-wireless internet access at anytime and any part of the world <br />The latest technological gift of Korea <br />
  20. 20. WiMAX Internet Access<br />A telecommunications protocol that provides fixed and mobile Internet access<br />Enable the delivery of wireless broadband access as a replacement to cable and DSL connections<br />Suitable for the potential applications<br />
  21. 21. Conclusion<br />Advantages and convenience of wireless internet access<br />Useful in some public areas to attract customers and clients<br />Improvement of technology and further development of wireless internet access<br />
  22. 22. Advantages and DisadvantagesEffect on Modern Life <br />Shane Ryan<br />
  23. 23. Advantages:<br />E-mail<br />Access Information<br />Shopping<br />Online Chat<br />Downloading Software<br />
  24. 24. Disadvantages:<br />Personal Information<br />Pornography<br />Spamming<br />Report to<br />Your local Police<br />Your Internet Service Provider<br />Cyber Police <br />
  25. 25. Effect on Modern Life<br />changed the way we live in society and the way people interact with each other<br />a new way to communicate, through E-mail and web cams as well as social networking sites <br />it is a sort of modern library where anything imaginable can be researched<br />not only in the virtual sense has it changed the world but also in the physical sense<br />

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