CS 107

Fall Semester 2004

Section 51

Lecture Week 12

Computers and Business Decision Making

UNH Home Page Computer Science Department Home Page Contact Instructor

Course Home Page

Syllabus

Assignments

Lectures
  • What is Business System?
    • Input
    • Processing
    • Output
    • Feedback
    • Control
    • Subsystems
    • Value Chain Model
      • Primary Activities
      • Support Activities

  • Information Systems Parts
    • People
    • Tasks
    • Information
    • Organization
    • Environment

  • Information System Tasks
    • Acquisistion
    • Processing
    • Storage/Retrieval
    • Presentation
    • Transmission

  • Management Types ond the Decisions They Make
    • Stratigic
      • Top Level Managers - BOD, Chief Executive Officers, VP's
      • Unstructered decisions based on judgement and intuition
      • Internal and External Data
      • Longterm planning - 5+ years
    • Tactical
      • Middle Managers - plant managers, regional managers
      • Semi-structured decisions based on judgement and procedure
      • Internal and External Data
      • Short term planning - 1 - 5 years
    • Operational
      • Low Level Managers - supervisors, group leaders
      • Structured decisions based on procedures and rules
      • Internal Data
      • Day to day planning

  • Information Systems for Management
    • MIS - Management Information Systems
      • Operational Decisions
      • Scheduled Reporting
    • DSS - Decision Support Systems
      • Tactical Decisions
      • Flexible Reporting
      • Three major componenets to system
        1. Data Management - database
        2. Model Management
        3. Dialog Management
      • Four types of analysis
        1. What if?
        2. Sensitivity
        3. Goal-seeking
        4. Optimization
    • EIS - Executive Information Systems
      • Stratigic Decisions
      • Similar to DSS
      • Drill down into data
    • ES - Expert Systems
      • Supports decision making
      • Deep knowledge in one narrow area
      • Knowlwdge base
      • Based on AI

  • Planning an Information System - 4 phases
    1. Aligning IT plan with the overall business plan
    2. Describing the IT infostructure
    3. Allocating resources
    4. Project planning

Covers: Computer Confluence - Chapter 12

Links for Further Study

What is a Decision Support System - http://dssresources.com/papers/whatisadss/

Decision Support System - http://searchcio.techtarget.com/sDefinition/0,,sid19_gci213888,00.html

Management Information Systems - http://en.wikipedia.org/wiki/Management_information_systems

Executive Information Systems - http://www.compinfo-center.com/entsys/executive_information_systems.htm

Expert Systems - http://www.aaai.org/AITopics/html/expert.html
Last Updated: 11/23/04