IS Full Form is Information Service or Information Systems. Majority of the companies have a separate department which is responsible for networking, computers, and data management. This is called IS department. The same is very commonly represented as IT or Information Technology. IS supports various types of decision making at various stations and levels of the hierarchy of the organization.
The key types of IS including information management software and structural data base systems namely: (1). TPS or Transaction Process Systems (2). ECS or Enterprise Collaboration Systems (3). MIS or Management Information Systems (4). DSS or Decision Support Systems (5). ESS or Executive Support Systems