Chapter 14 INTRODUCTION TO SYSTEMS DEVELOPMENT

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Chapter 14INTRODUCTION TOSYSTEMS DEVELOPMENT
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Systems Development Methodology

• Important issues in systems development
• Must be aligned to business strategy and
  objectives
• Business processes can undergo radical changes as
  a result
• Developing or modifying applications is obviously
  a key component

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Systems Development Methodology

• Important issues in systems development
• Consideration of the IT environment is important
• 4 key elements of the IT environment
• 1. IT strategy
• 2. IT infrastructure
• 3. IT function
• 4. Systems
• development process

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Systems Development Methodology

• Systems development models and techniques
• 2 problem solving aids
• Techniques
• Models

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Systems Investigation

• Objectives
• Tasks
• Key tasks
• Business strategy
• AIS applications
• Business process
• IT environment
• Task Issues

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Systems Investigation

• Conducting systems investigation
• Executive summary
• Problem
• Assignment
• Purpose of report
• Findings/results
• Conclusions and recommendations

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Systems Investigation

• Models/techniques used in systems investigation

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Systems Analysis

• Objectives
• Tasks
• Key tasks
• Business strategy
• AIS applications
• Business process
• IT environment
• Task issues
• Conducting systems analysis
• Models/techniques used in systems analysis

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Systems Design

• Objectives
• Tasks
• Key tasks
• Business strategy
• AIS applications
• Business process
• IT environment
• Task issues
• Conducting systems design
• Models/techniques used in systems design

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Systems Implementation

• Objectives
• Tasks
• Key tasks
• Business strategy
• AIS applications
• Business process
• IT environment
• Task issues

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Problem Solving Approach to Systems Development

• Define and acquire
• Develop
• Communicate

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Appendix 14.A Techniques for Acquiring
Information

• Information gathering plan
• Using prior knowledge in developing an
  information gathering plan
• Identifying information needs
• Identifying sources of information

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Appendix 14.A Techniques for Acquiring
Information

• Interview planning
• Determine interview questions
• Determine sequence of interview questions
• Decide on wording of interview questions

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Appendix 14.B Report Writing

• Business reports
• Audience analysis
• Executive summary
• Problem
• Professional assignment
• Rhetorical purpose
• Findings/results
• Conclusions
• Recommendations

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Appendix 14.B Report Writing

• Executive summary guidelines
• Discussion section
• Introduction
• Criteria
• Method of obtaining facts
• Alternatives
• Evaluation
• Conclusions
• Recommendations

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K E Y T E R M S

• Feasibility report
• Professional problem solving model
• Request for proposal (RFP)
• Request for quotation (RFQ)
• System conversion
• Systems analysis

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K E Y T E R M S

• Systems design
• Systems development life cycle (SDLC)
• Systems development process
• Systems implementation
• Systems investigation