The document discusses how the internet works at a high level, including that it uses TCP/IP protocols, domain names are used to locate websites via their IP addresses, and common internet applications and services are mentioned like search engines, file sharing, and chat rooms. Specific examples provided include the Thai Good View and Thai Wikipedia websites.

1. 4.1
- 2/3 1
1. (Internet)
TCP/IP
(Transmission Control Protocol / Internet Protocol)
2.
http://www.________________
3.
(Domain Name)
4.
TCP/IP

2. 5.
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6.
http://www.thaigoodview.com/node/5660
7.
http://th.wikipedia.org/wiki
4.2
– 2/3 1
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- Search Engine

3. - “Work@home”
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- MP3
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- (Chat Room)
1
1.1

4. 1.2
1.3