Chapter 10, Problem 2DQ3

Program Plan Intro

Information system:

• An information system is a system which provides the necessary information to an organization to achieve the goals.
• It monitors the transactions details, provides the required information to decision makers, and provides necessary documents to customers.
• The main components in the information system are people, data, procedures, hardware, as well as software.
• The main function of information system is to accept and process the input data and then stores the retrieved information and distributes it across the organization.

Management Information System (MIS):

• A management information system is an organized collection of software, database, devices, people, and procedures.
• It provides routine information to managers and decision makers.
• The examples are shown below:
  • Process control systems.
  • Human resource management system.
  • Sales and marketing systems.

Decision Support System (DSS):

• It tends to be aimed at less well-structured problem faced by upper level managers.
• It attempts to combine use of models or techniques with functions of data access as well as retrieval.
• The examples are shown below:
  • Data analysis system.
  • Accounting system.
  • Model based system.