1. The document discusses different types of computer networks including local area networks (LANs), metropolitan area networks (MANs), and wide area networks (WANs). It also mentions the Internet as an international network and intranets. 2. Peer-to-peer and client/server models are described as two approaches for distributed systems. Common components of a computer system are also listed including the CPU, memory, storage, input/output devices, and system/application software. 3. Examples of network applications mentioned include video on demand, search engines, and SchoolNet Thailand which aims to support learning. Wireless technologies like WiFi, Bluetooth, and infrared are also briefly covered.

2. -
-

3. Computer
Network)
Shared Resource)

4. , ,
,

5. 4

6. 1. Local Area Network LAN
2. Metropolitan Area Netwo
MAN

7. 3. Wide Area Network
1
4.
(International Network )
“
” (A network of networks)

8. 5. (Intranet)
6.
Intranet)

9. - Peer To Peer
Peer To Peer
Distributed System)
Peer To Peer Windows
for Workgroup Personal Netware

10. - Client / Server Distributed
Processing

12. CPU)
CPU : Central
Processing Unit )
Clock

13. Input Unit)

14. Output Unit)
Monitor)
Printer)
(Speaker)

15. Memory Unit)
2 ROM : Read
Only Memory)
RAM : Random
Access Memory)
SDRAM , RDRAM

16. (Storage Unit)

18. -

19. -
system
software) application
software)
1.

20. 2.

21. Operating System : OS)
(Disk
Operating System : DOS) Windows)
OS/2) (UNIX)

22. 1)
2)
3)
4)

23. 1)
2)
3)
4)

24. -
1)
2)
3)

25. 4)
5)

26. -

27. SchoolNet
Thailand)

32. 1. Learning to know)
2. Learning to do)
3 Learning to
live together)
Learning to be)

33. ETC)

34. 1.

35. -
-
-
- Video on Demand)
- Search Engine)
-

37. 1.
Peer-to-Peer
Multiple access points and roaming
Use of an Extension Point
Client/server

40. 2. ATM)
LAN
WAN
Internet
Intranet

43. 3.
Wireless Fidelity-wifi)
Bluetooth)
Infra-Red)
HomeRF)

46. 4.

49. 5.

53. http://www.thaigoodview.com/library/contest2551/te
http://thaiwinadmin.blogspot.com/2007/12/kb-12200
ch04/20/test/pretest.html
http://web.ku.ac.th/schoolnet/snet1/softwar
e/software/index.html
http://www.csjoy.com/st
ory/net/tne.htm
http://www.lks.ac.th/anchalee/software.htm
http://www.csjoy.com/story/net/tne.h
http://www.thaigoodview.com/library/contest
tm
tech wired/n html
http://forum.datatan.net/index.p
http://forum.datatan.net/index.php
hp/topic,143.0.html
/topic,126.0.html