Management Information System (MIS) is the study of people, technology, organization and the relationship among them.
MIS is commonly use in the business school to the study how individual, group, and organization evaluate, design, implement, manage and utilize system to generate information to improve efficiency and effectiveness of the decision making.
The system is a collection of information management method involving computer automation (Software and Hardware) or otherwise supporting and improving the quality and efficiency of business operation and human decision making.
Example of the broad scoop and varied context of MIS are:
Decision Support System (DSS)
Enterprise Resource Planning (ERP)
Supply Chain Management (SCM)
Customer Relationship Management (CRM)