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SAD: MODULE 3 (CHAPTER 6) DETERMINING SYSTEM REQUIREMENTS [TRADITIONAL…

- - - - Questions that have no pre-specified answers
    - - Questions that ask those responding to choose from among a set of specified responses
  - - - Contradictions and inconsistencies between interviewees
    - - Follow-up discussions are time consuming
    - - New ivs may reveal new questions that require additional ivs with those interviewed earlier
- - - - A facilitated process that supports idea generation by groups
    - - come 2gether
        
        Members come together as a grp, but initially work separately
      - writes
        
        Each person writes ideas
      - reads written
        
        Faci reads ideas out loud, and they are written on a blackboard or flipchart
      - openly discuss
        
        Grps openly discusses the ideas for clarification
      - p c s r
        
        Ideas are prioritized, combined, selected, reduced
- - - - Review of existing business documents
        
        Can give a historical and "formal" view of system requirements
  - - - Problems with existing system
    - - Opportunity to meet new need
  - - - job perfomed
        
        For an individual or work grp
        
        Describes how a particular job or task is performed
        
        Includes data and information used & created in the process
      - duplication
        
        May involve duplication of effort
        
        missing
        
        May have missing procedures
        
        out
        
        May be out of date
        
        contradict
        
        May contradict information obtained through interviews
    - - Used for all types of business functions
        
        Explicitly indicates what data flow in and out a system and data necessary for the to f(x)
        
        Gives crucial info about the nature of the org.
    - - primary/backwards
        
        Primary output of current system
        
        Enables you to work backwards from the report to the data needed to generate it
- - - - Facilitates group process
    - - Active, speaking participants
    - - Active, speaking participants
    - - High-level champion, limited participation
    - - Should mostly listen
    - - Record session activities
    - - Should mostly listen
- - - - Reorganize complete flow of data in major sections of an organization
    - - Eliminate unnecessary steps
    - - Become more responsive to future change
  - - - Structured, measured set of activities designed to produce specific output for a particular customer or market