Chapter 14 INTRODUCTION TO SYSTEMS DEVELOPMENT

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

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

Systems Development Methodology Systems development models and techniques: 2 problem solving aids Techniques Models

Systems Investigation Objectives Tasks Key tasks: Business strategy AIS applications Business process IT environment Task Issues

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

Systems Investigation Models/techniques used in systems investigation

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

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

Systems Implementation Objectives Tasks: Key tasks Business strategy AIS applications Business process IT environment Task issues

Problem Solving Approach to Systems Development Define and acquire Develop Communicate

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

Appendix 14.A : Techniques for Acquiring Information Interview planning Determine interview questions Determine sequence of interview questions Decide on wording of interview questions

Appendix 14.B : Report Writing Business reports Audience analysis Executive summary Problem Professional assignment Rhetorical purpose Findings/results Conclusions Recommendations

Appendix 14.B : Report Writing Executive summary guidelines Discussion section Introduction Criteria Method of obtaining facts Alternatives Evaluation Conclusions Recommendations

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

K E Y T E R M S Systems design Systems development life cycle (SDLC) Systems development process Systems implementation Systems investigation