lectures and practicals mon 8-10 sc1222 tue 13-15 sc1222 office: sc1421 email:...
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Lectures and Practicals• Mon 8-10 SC1222• TUE 13-15 SC1222
Office: SC1421email: [email protected]: mis.csit.sci.tsu.ac.th/kanida
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Why?
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History of the internet
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History of the internet
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History of the internet
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WWW
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Internet map
https://en.wikipedia.org/wiki/File:Internet_map_1024.jpg
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Internet• Internet is a network of computer networks• Data is transmitted by packet switching using
the standard Internet Protocol (IP)• Packet – a unit of information carriage• Packet switching – process of moving packets
from one node (computer device) to another
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Internet Services• Email• Web (World Wide Web)• FTP (File Transfer Protocol)• Instance massaging• etc.
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Major Components
• Web Clients: web browsers e.g. IE, Chrome, Firefox • Web Servers: IIS, Apache• DNS (Domain Name System):
– IP Address• HTTP (HyperText Transfer Protocol) Protocol for the
web • HyperText• Static and dynamic content
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DNS working
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URLs (Uniform Resource Locator)• Web Address
https://en.wikipedia.org/wiki/Domain_Name_System
• DNS: en.wikipedia.org
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URLs (Uniform Resource Locator)• The elements in a
URL:Protocol://server's address/filename• Hypertext protocol: http://www.aucegypt.edu• Gopher protocol: gopher://gopher.umm.tc.edu• File Transfer Protocol: ftp://ftp.dartmouth.edu• Telnet Protocol: telnet://pac.carl.org
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Client-side coding Server-side coding
DataBase