Advantage
1) Hardware Sharing - Network facilitate the sharing of hardware devices such as printer,plotters and modem.

2) Data and Information Sharing - enable many people to access and share the same data such as database and group software development.

3) Facilitate Communication - People communicate efficiently and easily via e-mail,IM,VoIP.

4) Internet Access Sharing - Small computer networks allow multiple users to share a single internet connection.



       

Disadvantage
1) Undesirable Sharing - Viruses are easily spread over network and the internet.

2) Security issues- A computer hacker can get unauthorized access by using different tools.

3) Network Hardware,Software and