1. The document discusses the basic components of a computer network including workstations, file servers, network interface cards, hubs, switches, routers, and cabling. 2. It explains common network topologies like bus, ring, and star and how they connect the different devices. 3. Finally, it lists some common network and workstation operating systems like Windows, Linux, Novell, and Unix.

1. 1
7
41
2556
1
2

2. 2
13
2

3. 3
3

4. 4
4
5
6
7
7
8
9
10
4

5. 5
5

6. 6
6

7. 7
7

8. 8
Computer
Network)
Shared
Resource)
File Server)
Communication Chanel)
Workstation or
Terminal)
Network
8

9. 9
Operation System)
Resources)
LAN)
Host
Computer
9

10. 10
Receiver)
Transmitter)
UTP)
STP)
(Workstation or Terminal)
10

11. 11
(Workstation)
Terminal)
Host
Network Interface Card
:NIC)
11

12. 12
Modem : Modulator
Demodulator)
(Digital)
Analog)
12

13. 13
Hub)
Star)
File Server
Workstation
13

14. 14
Windows NT
, Linux , Novell Netware , Windows XP ,Windows
2000 , Solaris , Unix
14

15. 15
TOPOLOGY)
1.
topology)
bus
15

16. 16
2.
ring topology)
16

17. 17
3.
topology)
(star
hub)
17

18. 18
http://www.school.net.th/library/snet
hardware/network.html
18