A computer network allows for the sharing of programs and data between computers connected through a server. It allows clients on a local area network or wide area network to access files, email, and search engines through telecommunication technologies. Computer networks are useful for businesses to share resources across multiple locations.

1. (Computer Network)
:
-

2. (workgroup)
:

3. (Sharing of program and
data)

4. File Server
(Client)
(Server)
(Telecommunication)
LAN , MAN
(Electronic Mail)
WAN
(Serach Engine)

5. (Business
Applicability)
Internet
30
5 - 10
2-3