1. 4.1
1. Internet) Internet )
Cyberspace )
Internetworking )
WAN
WAN
2.
3.
4.
.................................................................................................................................................................
5.

2. –
6.
http://th.wikipedia.org/
7.
http://th.wikipedia.org/
4.2
–
-
-

3. -
- Search Engine
- “Work@home”
-
-
-
-
-
-
- MP3
-
-
-
-
-
-
- Chat
Room) 1
1
1.1
3 11 1.

4. 3
1.2
1.3