support the major business functions

1. How do information systems support the major business functions: sales and marketing, manufacturing and production, finance and accounting, and human resources?

List and describe the information systems serving each of the major functional areas of a business.

2. How do systems serve the various levels of management in a business and how are these systems related?

Describe the characteristics of transaction processing systems (TPS) and role they play in a business.

Describe the characteristics of MIS and explain how MIS differ from TPS and from DSS.

Describe the characteristics of DSS and explain how DSS differ from ESS.

Describe the relationship between TPS, MIS, DSS, and ESS.