A management information system__（ ）__the business managers the information that they need to make decisions.Early business computers were used for simple operations such__（请作答此空）__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 resource planning（ERP），enterprise performance management（EPM），supply chain management（SCM），customer relationship management（CRM），project management and database retrieval applications.