Lecture Systems analysis and design methods (7/e): Chapter 5 – Whitten, Bentley

In this chapter you will learn more about the systems analysis phases in a systems development project-namely, the scope definition, problem analysis, requirements analysis, and decision analysis phases. The first three phases are collectively referred to as systems analysis. The latter phase provides transition between systems analysis and systems design. | Chapter 5 Systems Analysis Objectives Define systems analysis and relate it to the scope definition, problem analysis, requirements analysis, logical design, and decision analysis phases. Describe a number of systems analysis approaches for solving business system problems. Describe scope definition, problem analysis, requirements analysis, logical design, and decision analysis phases in terms of information system building blocks. Describe scope definition, problem analysis, requirements analysis, logical design, and decision analysis phases in terms of purpose, participants, inputs, outputs, techniques, and steps. Identify those chapters in this textbook that can help you learn specific systems analysis tools and techniques. 5- 5- What is Systems Analysis ? Systems analysis – a problem-solving technique that decomposes a system into its component pieces for the purpose of studying how well those component parts work and interact to accomplish their purpose. Systems design – | Chapter 5 Systems Analysis Objectives Define systems analysis and relate it to the scope definition, problem analysis, requirements analysis, logical design, and decision analysis phases. Describe a number of systems analysis approaches for solving business system problems. Describe scope definition, problem analysis, requirements analysis, logical design, and decision analysis phases in terms of information system building blocks. Describe scope definition, problem analysis, requirements analysis, logical design, and decision analysis phases in terms of purpose, participants, inputs, outputs, techniques, and steps. Identify those chapters in this textbook that can help you learn specific systems analysis tools and techniques. 5- 5- What is Systems Analysis ? Systems analysis – a problem-solving technique that decomposes a system into its component pieces for the purpose of studying how well those component parts work and interact to accomplish their purpose. Systems design – a complementary problem-solving technique (to systems analysis) that reassembles a system’s component pieces back into a complete system—hopefully, an improved system. This may involves adding, deleting, and changing pieces relative to the original system. Information systems analysis – those development phases in an information systems development project the primarily focus on the business problem and requirements, independent of any technology that can or will be used to implement a solution to that problem. 5- Context of Systems Analysis 5- Repository Repository – a location (or set of locations) where systems analysts, systems designers, and system builders keep all of the documentation associated with one or more systems or projects. Network directory of computer-generated files that contain project correspondence, reports, and data CASE tool dictionary or encyclopedia (Chapter 3) Printed documentation (binders and system libraries) Intranet website interface to the .

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