The document discusses different types of computer networks including LAN, MAN, WAN, PAN and their characteristics. It also covers network topologies like bus, star, ring, tree and hybrid networks. Examples of applications of computer networks in education are mentioned like e-books, e-libraries, education games, use of ICT and CAI tools.

4. . LAN (Local Area Network)

5. MAN (Metropolitan Area Network)

6. WAN (Wide Area Network)
World Wide
Media)
dial-up /
Leased line / ISDN) (lntegrated Service Digital
Network

7. (Controller
area network) : CAN)
Micro Controller unit: MCU)
(Personal area
network) : PAN)

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

10. Distributed
Processing

11. Bus
1
Node
Node A)
Node C)
Node C
Node C

13. Ring
IBM
Token Ring
IBM

15. 1 1

16. Central node
central node

17. Hybrid
Bus, Ring
Star
Hybrid Network
Hierarchical Tre

18. Wireless LAN)
LAN)
Access Point

20. 1. CAI
2.
E-book E-Library
3.
Education Games )
4. ICT
5.
6.
7.

24. Ring