Chapter 9 – Enabling the Organization-Decision Making

Model – A simplified representation or abstraction of realit
IT systems in an enterprise

Transaction Processing System

Moving up through the organizational pyramid users move from requiring transactional information to analytical information

Executive information system 

1. Executive information sysem (EIS) – A specialized DSS that supports senior level executives within the organizatioN
2. Most EISs offering the following capabilities;

•  Consolidation – involves the aggregation of information and features simple roll-ups to complex groupings of interrelated information
• Drill-down – enables users to get details, and details of information
• Slice-and-dice – looks at information from different perspectives 

Interaction between a TPS and an EIS

Interaction between a TPS and a DSS