Need of computer network
· Resource sharing
· High reliability
· Saving money
· Scalability
Advantages of computer network
· Access to remote information
· Person-to-person communication
· Interactive entertainment
· Program and file sharing
· Network and resource sharing
· Database sharing
· Economical expansion
· Ability to use network software
· Creation of workgroup
· Centralized management
· Security
· Access to more than one operation system
· Manufacturing
