Decision Support System

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  • 1. DECISSION SUPPORT SYSTEM
  • 2. DECISION
    • Making decisions concerning complex systems often strains our cognitive capabilities.
    • Predicting how the system will react to an external manipulation such as a policy decision is often difficult.
  • 3. DECISSION MAKING PROCESS INTELLIGENCE DESIGN CHOICE
  • 4. PROCESS VIEW OF DECISION MAKING
  • 5. Decision support system
    • Decision Support Systems (DSS) are a specific class of computerized information system that supports business and organizational decision-making activities .
    • A properly designed DSS is an interactive software-based system intended to help decision makers compile useful information from raw data, documents, personal knowledge, and/or business models to identify and solve problems and make decisions .
  • 6. WHY DSS
    • Because decision-making involves a complex sequence of activities over time, it implies there are at least three functions that should be assigned to DSSs:
    • 1) The capability of capturing and saving information from previous activities;
    • 2) Data processing capability;
    • 3) Data retrieval capability.
  • 7. COMPONENTS OF DSS
    • There are three fundamental components of DSS :
    • DATA BASE MANAGEMENT SYSTEM (DBMS)
    • MODEL BASED MANAGEMENT SYSTEM (MBMS)
    • DIALOG GENERATION &MANAGEMENT SYSTEM (DGMS)
  • 8. THE ARCHITECTURE OF DSS
  • 9. Types of DSS
    • DS systems can be separated into seven broad categories, each aiding decision making by different methods:
    • DATA DRIVEN DSS.
    • MODEL-DRIVEN DSS.
    • KNOWLEDGE DRIVEN DSS.
    • DOCUMENT DRIVEN DSS.
    • Communication Driven DSS.
    • INTER & INTRA-ORGANIZATIONAL DSS.
    • NEW BREED OF DSS
  • 10. DSS IN-HOUSE PROPRIETARY DATABASE KNOWLEDGE DATABASE DATA PROCESSING MODELS FINANCIAL ACOUNTING ECONOMICAL EXTERNAL AND INTERNAL ENVIRONMENT PROCESSING BY MANAGER, USING KNOWLEDGE, EXPERIENCE AND INTUITION QUALITY DECISION PROCESING MODEL FOR DSS
  • 11.  
  • 12. NEW BREEDS OF DSS
    • HYBRID SYSTEM
    • Eg.-WEB BASED DSS
    • On-line Analytical Processing (OLAP)
  • 13. MANAGEMENT REQUIREMENT OF DSS
    • ALLOCATING RESOURCES
    • PREPARING BUDGETS
    • OBSERVATION OF RESULTS
    • EVALUATION OF RESULT
    • MODIFICATION OF ACTIVITES AND RESOURCES
  • 14. Intangible payoffs DSS
    • Improved internal control.
    • Enhances long term profitability by improving quality of decision making.
    • Faster response to changes in business environment .
  • 15. Cont ….
    • Better management awareness of internal strength and weaknesses and external threats and opportunities.
    • Allows managers’ to record experience and use it in future for similar scenarios that may arise within the organization.