Chapter 1
<ul><li>In 1960 US government agency DARPA (Defence of Advance Research Projects Agency) funded research on how to connect...
<ul><li>First Network was called ARPANET (Advanced Research Projects Administration Network). It was started by the Depart...
<ul><li>In India Organisations i.e. Internet Service Provider (ISPs) provide their consumers Internet access. </li></ul><u...
<ul><li>Two ways : 1- LAN (Local Area Network) 2- through telephone line. </li></ul><ul><li>Fast gaining popularity for hi...
<ul><li>A personal computer </li></ul><ul><li>A fast modem. </li></ul><ul><li>A telephone line </li></ul><ul><li>A special...
<ul><li>World Wide Web (WWW) </li></ul><ul><li>Web Servers </li></ul><ul><li>Web Pages </li></ul><ul><li>Web Sites </li></...
<ul><li>Hyper Text Markup Language (HTML) </li></ul><ul><li>Hypertext Transfer Protocol (HTTP) </li></ul><ul><li>Transmiss...
<ul><li>Orient BlackSwan </li></ul><ul><li>The Internet </li></ul>
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An Introduction to Internet

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An Introduction to Internet

  1. 1. Chapter 1
  2. 2. <ul><li>In 1960 US government agency DARPA (Defence of Advance Research Projects Agency) funded research on how to connect computers. </li></ul><ul><li>Objective : empower computers to exchange data amongst themselves. </li></ul><ul><li>Reason: in the event of a nuclear war the network should continue to relay information to other computers connected to it even if one of the links failed. </li></ul>
  3. 3. <ul><li>First Network was called ARPANET (Advanced Research Projects Administration Network). It was started by the Department of defense of the United States in 1969. </li></ul><ul><li>It started with four computers connecting military research centres. </li></ul><ul><li>By 1970 it grew to about 50 computers. </li></ul><ul><li>By 1993 with the introduction of the World Wide Web (WWW) the scenario changed completely. </li></ul>
  4. 4. <ul><li>In India Organisations i.e. Internet Service Provider (ISPs) provide their consumers Internet access. </li></ul><ul><li>Some popular ISPs are in India : Satyam Online, VSNL (Videsh Sanchar Nigam Limited, MTNL (Mahanagar Telephone Nigam Limited), Mantra Online etc. </li></ul><ul><li>At the moment all the ISPs in India take their Internet access through VSNL. </li></ul>
  5. 5. <ul><li>Two ways : 1- LAN (Local Area Network) 2- through telephone line. </li></ul><ul><li>Fast gaining popularity for high-speed connections is via fibre-optic cables. ISDN (Integrated Services Digital Network). </li></ul><ul><li>Using an ISDN connection, one can gain fast access to the World Wide Web to transmit and receive text, graphics, sound and video through the Net. </li></ul>
  6. 6. <ul><li>A personal computer </li></ul><ul><li>A fast modem. </li></ul><ul><li>A telephone line </li></ul><ul><li>A special program called Web Browser. </li></ul><ul><li>An integrated communications software that controls the communication of data over the hardware </li></ul><ul><li>Note: Every computer on the internet exchanges information according to certain rules called protocols. IP/TCP. </li></ul>
  7. 7. <ul><li>World Wide Web (WWW) </li></ul><ul><li>Web Servers </li></ul><ul><li>Web Pages </li></ul><ul><li>Web Sites </li></ul><ul><li>Web Browsers </li></ul><ul><li>Web Address </li></ul><ul><ul><li>Internet Address </li></ul></ul><ul><ul><li>E-mail Address </li></ul></ul><ul><ul><li>Domain Name System (.com, .edu, .gov, .mil, .net, .org (nonprofit organisation), .in, .au, .ca, .uk, fr, .jp etc. </li></ul></ul><ul><li>Uniform Resource Locator (URL) </li></ul>
  8. 8. <ul><li>Hyper Text Markup Language (HTML) </li></ul><ul><li>Hypertext Transfer Protocol (HTTP) </li></ul><ul><li>Transmission Control Protocol/ Internet Protocol (TCP/IP) </li></ul><ul><li>File Transfer Protocol (FTP) </li></ul><ul><li>Telnet </li></ul><ul><li>Gopher </li></ul><ul><li>Wide Area Information Service (WAIS) </li></ul>
  9. 9. <ul><li>Orient BlackSwan </li></ul><ul><li>The Internet </li></ul>
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