Module 11 - E-Courses

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Intranet And Extranet A network of computers within an organization using TCP/IP protocol an use all internet facilities such as e-mail, file transfer, remote login etc –called an intranet or corporate intranet Two corporate intranets may be interconnected using a leased line from PSTN – such a network is called an extranet Extranet between cooperating organizations can provide internet services such as e-mail,file transfer among them V.Rajaraman SAD/M11/LU1/V1/2004 10
World Wide Web Services • World Wide Web (WWW) is a world wide multimedia information service available on the internet • www contains web pages – created using a language called HTML (Hyper Text Markup Language) • HTML has features to embed links within web pages to point to other pages – we can thus navigate through links and search for required information V.Rajaraman SAD/M11/LU1/V1/2004 11
Page 1 and 2: System Analysis and Design Prof. V.
Page 3 and 4: The internet and The World Wide Web
Page 5 and 6: Logical Network-internet • Intern
Page 7 and 8: Internet-continued • IP address c
Page 9 and 10: • Packets need not be of fixed le
Page 11: Packet Switching - Advantages And D
Page 15 and 16: Search Engines • Browsers use sea
Page 17 and 18: What Is A Document? A document has
Page 19 and 20: How Are Documents Processed By Comp
Page 21 and 22: Documents On World Wide Web In the
Page 23 and 24: Documents On World Wide Web • Web
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Page 29 and 30: Hyperlinking Html Documents HTML a
Page 31 and 32: EXtensible Markup Language A docum
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Page 35 and 36: Example Of XML Document Observe th
Page 37 and 38: Explanation Of Document Type Defini
Page 39 and 40: Explanation Of Document Type Defini
Page 41 and 42: Some Application Of XML Software a
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System Analysis and Design Prof. V.
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