Notes

Notes on a website

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Business Computer Systems Analysis and Design

Ch 1

Agile vs. Waterfall

  • Reactive, multiple cycles
  • Try to predict and plan everything in one go

IT Department

  • Director of Info Tech
  • Application Development
  • Systems Support & Security
  • User Support
  • Database Admin
    • Data Warehouse – Slower, clunkier database for lots of data storing historical actions and such
    • Transactional Database – Used for quick actions so it isn’t slowed by data warehouse stuff
  • Network Admin
  • Web Support
  • Quality Assurance (QA)

Systems Analyst

  • Analyzes, designs, develops, etc information systems
  • Acts as bridge between desgin and development (managers & programmers)
  • Has hollistic view of everything so can see issues others don’t
  • Skills: technical, communication, critical thinking, degree/certification

Ch 2

SWOT Analysis

  • Strengths, Weaknesses, Opportunities, and Threats – analyzes technical, human, and financial resources
  • image

Value chain for a stregic business unit image

Common reasons for starting IS projects

  • Stronger Controls
  • Reduced Cost
  • More Information
  • Better Performance
  • Improved Service
  • More Support

Factors affecting Systems Projects

  • External factors
    • Technology
    • Suppliers
    • Customers
    • Competitors
    • The Economy
    • Government
  • Internal factors
    • Strategic Plan
    • Top Managers
    • User Requests
    • IT Department
    • Existing Systems and Data
    • Company Finances