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Chapter 14 INTRODUCTION TO SYSTEMS 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
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