There are reason for growth of decision making information system :
Transaction Processing System
Moving up thru organizational pyramid users move from requiring transactional information to analytical information.
Decision Support System
Model information to support managers & business professionals during the decision-making process.
DSS used three quantitative models that are :- sensitivity analysis, what-if analysis and goal seeking analysis.
Interaction between DSS and TPS
Executive Information System (EIS: a specialized DSS that supports senior level executives within the organization.
EIS offering capabilities :
2. drill down
Interaction between TPS and EIS
~integrates info from multiple components and presents it in unified display
example of dashboard
Artificial Intelligence (AI)
*ultimate goal is ability to build a system that can mimic human intelligence
*intelligent system - various commercial applications of artificial intelligence
*artificial intelligence - simulates human intelligence such as ability to reason and learn