1. There are several types of computer networks including local area networks (LANs), metropolitan area networks (MANs), and wide area networks (WANs). LANs connect computers within a small geographic area like a home or office while WANs connect LANs together over larger areas. 2. Networks also include intranets, extranets, and the Internet. An intranet is a private network within an organization while an extranet allows controlled access to outside users. The Internet is a global system of interconnected computer networks. 3. Computer networks require both hardware and software. Hardware includes physical devices like routers, switches, and cables. Software includes operating systems, applications, and

11. Network

12. Network

13. Network)

14. 6

15. -

16. 2. Metropolitan Area Network
(MAN)
LAN
LAN
, ,
,

17. 1. Local Area Network (LAN)
,
Access Point
Wireless)

18. 3. Wide Area Networks (WAN)
LAN
MAN
Leased
line)

19. 4. Intranet

20. 5. Extranet
Intranet)
Virtual

21. 6. Internet
“ ” (A
network of networks)

22. Software)

23. Hardware)
1.1
1.2
1.3
1.4

24. 2
2.1.
Operating System Software)
Window 95 , Windows
98 Linux , Dos

25. 2.
Application Software)
Excel
, Photoshop Oracle

28. 3
1
Centrallized
Networks
2
Peer-to Peer
3

29. 1.
http://thaiwinadmin.blogspot.com/20
07/12/kb-122007-02.html
2. http://ku-
scmicro36bkk.tripod.com/default.htm
3.http://irrigation.rid.go.th/rid15/ppn
/Knowledge/Networks%20Technology
/network8.htm

31. 1. Network

32. 2.
LAN,MAN,WAN
Intranet, Extranet,
Internet
Hardware, Software

33. 3. Hardware)

34. 4. Wide Area Networks
LAN

35. 2

36. 1

37. 3

38. 2

39. 4

40. 3

42. 4