A management information system（/）the business managers the information that they need to make decisions. Early business computers were used for simple operations such（/）tracking inventory，billing，sales，or payroll data，with little detail or structure. Over time，these computer applications became more complex，hardware storage capacities grew，and technologies improved for connecting previously（/）applications. As more data was stored and linked，managers sought greater abstraction as well as greater detail with the aim of creating significant management reports from the stored（/）.Originally，the term "MIS" described applications providing managers with information about sales，inventories，and other data that would help in（ ）the enterprise. Over time，the term broadened to include: decision support systems，resource management and human resource management，enterprise resouurce planning（ERP），enterprise performance management（EPM），supply chain management（SCM），customer relationship management（CRM），project management and database reteieval applications.