Ch 26 the internet
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Ch 26 the internet

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Ch 26 the internet Presentation Transcript

  • 1. The Internet
  • 2.  The internet is a worldwide system for linking smaller computer network together.  Users can access any information, regardless of the type of computers they have, because of standard protocols that allow computers to communicate with each other .
  • 3.  When you make a connection to the internet you enlist the help of four communication services: your computer, the ISP, the server (host computer), and the telecommunications network (communication software and a modem and phone or cable modem).
  • 4.  Your computer the client) runs communications software. your modem and communications software provide an open path between your computer and your ISP. the ISP provides you a link to the internet.
  • 5.  Most information is shared without charge except for whatever access fee is required to maintain an account with an internet service provider (ISP). such as America Online and the local and community ISPs.
  • 6.  Both telephone companies and television cable companies provide high speed access to the internet. Integrated services digital network lines provide speed up to 5 times that of a regular analog phone lines.  digital subscriber line (DSL) provide even faster access.
  • 7.  The internet connects thousand of computers networks worldwide. it provides users with several basic types of connections services:  Electronic mail (e-mail) for person to person communication.
  • 8.  A type of electronic, public bulletin board enabling a person to connect with a group interested in the same topic.  Information search capabilities for accessing libraries and data bases of information throughout the world.
  • 9.  “live” communication, allowing individuals on the internet to “chat” or “talk” in real time, as quickly as they can type their massages.  Audio and video based communication through software such as iChat ,yahoo.
  • 10.  Each individual internet user has a unique address. an internet address contain three parts: the persons name and or username , the computer network where he or she can be reached and type of organization he or she is part of .  gatep@seas.edu
  • 11. Common methods of home access , landlineup-dialinclude (over coaxial cable,broadband ,Fi-Wior copper wires),fiber optic celltechnologyG3andsatellite . Public places to use thephones Internet include libraries and Internet cafes
  • 12.  High-end mobile phones such as smart phones generally come with Internet access through the phone network. Web browsers such as Opera are available on these advanced handsets, which can also run a wide variety of other Internet software
  • 13. Marketing  The Internet has also become a large market for companies; some of the biggest companies today have grown by taking advantage of the efficient nature of low-cost advertising and commerce through the Internet, also known as e- commerce. It is the fastest way to spread information to a vast number of people simultaneously. The Internet has also subsequently revolutionized shopping
  • 14. Social impact  The Internet has made possible entirely new forms of social interaction, activities and organizing, thanks to its basic features such as widespread usability and access.  Social networking websites such as Facebook and My Space have created a new form of socialization and interaction. Users of these sites are able to add a wide variety of items to their personal pages, to indicate common interests, and to connect with others.
  • 15.  WHAT IS THE INTERNET SOCIETY?  The Internet Society is the international organization for global cooperation and coordination for the Internet and its internetworking technologies and applications.  WHO ARE ITS MEMBERS?  Its members reflect the breadth of the entire Internet community and consist of individuals, corporations, non-profit organizations, and government agencies.
  • 16. WHAT IS ITS PURPOSE?  Its principal purpose is to maintain and extend the development and availability of the Internet and its associated technologies and applications - both as an end in itself, and as a means of enabling organizations, professions, and individuals worldwide to more effectively collaborate, cooperate, and innovate in their respective fields and interests.