Provide me Types of Information System MBA?

Information System can be classified in several types. Most of these are:
1. Management Support Systems
--- Decision Support Systems
--- Executive Information Systems
2. Operations Support Systems
3. Transaction Processing Systems
4. Process Control Systems
5. Enterprise Collaboration Systems

Other classifications of Information Systems are:
1. Expert Systems
2. Business Information Systems
3. Knowledge Management Systems
4. Integrated Information Systems
5. Strategic Information Systems