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Internet ppt.
- 2. CONTENTS • What is INTERNET ? • Brief History of Internet. • Services provided by Internet. • Impact of Internet. – Education. – Health Care. – Business
- 3. WHAT IS INTERNET a global computer network providing a variety of information and communication facilities, consisting of interconnected networks using standardized communication protocols.
- 4. Brief History of Internet • ARPA – Advanced Research Project Agency. • 1969 January 2 – started an experimental Computer Network. • Concept – No Server, but equal importance/participation to every computer in the Network. • Even if, one or two node destroyed that will not affect the Network
- 5. Paul Baran • Paul Baran developed the field of packet switching networks while conducting research at the historic RAND organization
- 6. Vinton Cerf • Father of Internet • Co-designer of the TCP/IP networking protocol
- 7. Brief History of Internet • First named as ARPANET • This is renamed as INTERNET – TCP/IP (Transmission Control Protocol/Internet Protocol
- 8. Internet Growth Trends • 1977: 111 hosts on Internet • 1981: 213 hosts • 1983: 562 hosts • 1984: 1,000 hosts • 1986: 5,000 hosts • 1987: 10,000 hosts • 1989: 100,000 hosts • 1992: 1,000,000 hosts • 2001: 150 – 175 million hosts • 2002: over 200 million hosts • By 2010, about 80% of the planet will be on the Internet
- 9. How to Connect to Internet
- 10. Internet Services • Electronic Mail (e-mail) • World Wide Web • Telnet • File Transfer Protocol (FTP) • Internet Telephone • Web TV/Radio • Internet Relay Chat • News Groups
- 11. Electronic Mail (e-Mail) • Distributes e-mail messages and attached files to one or more electronic mailboxes. • Eg:- e-mail addresses – Krishna.nalagu@yahoo.com – Krishnas.cnc3hb17@detedu.org
- 12. Electronic Mail (e-Mail) • Different e-mail service providers – G-Mail – Yahoo Mail – Hot Mail
- 13. GMAIL • Gmail is Google's free web-based email service. • Where we use gmail • Office • School • Bank • Company • Hospital • Etc….
- 14. Yahoo Yahoo! is an Internet portal that incorporates a search engine and a directory of World Wide Web sites organized in a hierarchy of topic categories. As a directory, it provides both new and seasoned Web users the reassurance of a structured view of hundreds of thousands of Web sites and millions of Web pages. It also provides one of the best ways to search the Web for a given topic. Since Yahoo is associated with the most popular Web search sites, if a search argument doesn't lead to a Yahoo topic page, it will still lead to results from the six or seven popular search engine sites Yahoo links to
- 15. Hot mail • HotMaiL (the capital H,T,M, and L are an homage to HTML) was a free online e-mail service started by Jack Smith and Sabeer Bhatia in 1995 that was later acquired by Microsoft in December of 1997. By 2001, Hotmail had over 100 million users and had become one of the most popular webmail services available. It allowed users to read and send e-mail wherever there is Internet access. The following picture shows an example of what Hotmail looked like in 1998.
- 16. World Wide Web (W W W) • Most important service provided by Internet. • An internet-based hypermedia initiative for global information sharing. • Developed in 1989 by Tim Berners-Lee of the European Particle Physics Lab (CERN) in Switzerland.
- 17. Tim Berners-Lee • Father of W W W. • The inventor of HTML. • Invented W W W while working at CERN, the European Particle Physics Laboratory.
- 18. Impact of Internet • Education • Health Care • Business
- 19. THANK YOU