天津大學(xué)軟件學(xué)院系統(tǒng)分析課件ppt第一章-在線瀏覽
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【正文】 hnology (hardware and software) with telemunications technology (data, image, and voice works). Irwin/McGrawHill Copyright 169。 2022 The McGrawHill Companies. All Rights reserved Whitten Bentley Dittman SYSTEMS ANALYSIS AND DESIGN METHODS 5th Edition Information versus Knowledge Workers Information workers are those workers whose jobs involve the creation, collection, processing, distribution, and use of information. Knowledge workers are a subset of information workers whose responsibilities are based on a specialized body of knowledge. Irwin/McGrawHill Copyright 169。 2022 The McGrawHill Companies. All Rights reserved Whitten Bentley Dittman SYSTEMS ANALYSIS AND DESIGN METHODS 5th Edition System Owners System owners are the information system’s sponsors and chief advocates. They are usually responsible for funding the project to develop, operate, and maintain the information system. Irwin/McGrawHill Copyright 169。 2022 The McGrawHill Companies. All Rights reserved Whitten Bentley Dittman SYSTEMS ANALYSIS AND DESIGN METHODS 5th Edition System Designers and System Builders System designers translate system users’ business requirements and constraints into technical solutions. They design the puter files, databases, inputs, outputs, screens, works, and programs that will meet the system users’ requirements. System builders construct the information system ponents based on the design specifications from the system designers. In many cases, the system designer and builder for a ponent are one and the same. Irwin/McGrawHill Copyright 169。 2022 The McGrawHill Companies. All Rights reserved Whitten Bentley Dittman SYSTEMS ANALYSIS AND DESIGN METHODS 5th Edition Variations on the Systems Analysts Title ? A business analyst is a systems analyst that specializes in business problem analysis and technologyindependent requirements analysis. ? A programmer/analyst (or analyst/programmer) includes the responsibilities of both the puter programmer and the systems analyst. ? Other synonyms for systems analyst include: – Systems consultant – Systems architect – Systems engineer – Information engineer – Systems integrator Irwin/McGrawHill Copyright 169。 2022 The McGrawHill Companies. All Rights reserved Whitten Bentley Dittman SYSTEMS ANALYSIS AND DESIGN METHODS 5th Edition General ProblemSolving Approach 1. Identify the problem. 2. Analyze and understand the problem. 3. Identify solution requirements or expectations. 4. Identify alternative solutions and decide a course of action. 5. Design and implement the “best” solution. 6. Evaluate the results. If the problem is not solved, return to step 1 or 2 as appropriate. Irwin/McGraw
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