CIS2110
Information Systems in Business

• Executive Support Systems...ESSThe ESS help make:
  Decisions based on long term trends
  Long term operational planning decisions
  Profit planning decisions
  Personnel planning decisions
• Decision Support System...DSS DSS helps Managers:
  Make decisions that are rapidly changing
  That are unique
  That are not easily specified in advance
  That require analysis
• Management Information Systems...MISMIS gives Managers:
  Reports
  Online access to organizations current performance
  Online access to organizations historical records
  Serve the function of planning, controlling, and decision making at the management level.
  Depend on underlying transaction processing systems for their data.
• Transaction Support Systems...TPS TPSs are...
  The basic business systems that serve the operational level of the organization
  The computerized systems that perform and record the daily routine transactions necessary to conduct business.
  

No single system can provide all the informational needs of an organization. Different authorities classify organizations in different ways. In our ITB2211 course we will study the organizational systems in terms of Operational-level systems, Management-level systems, and Strategic-level systems as per our prescribed course book.