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A practical approach to why and how to do systems analysis, for information professionals and students, using the language and symbology actually used by systems analysts. Covers the relationship between systems analysis and computers and the historical development of systems analysis, and addresses the human element, identifying and defining problems, designing and selecting the system, presentations, and managing a project. Includes discussion questions and case studies involving the Fort Memorial library. Annotation c. by Book News, Inc., Portland, Or.

Tabla de contenidos provista por Syndetics

• Preface to the First Edition(p. xiii)
• Preface to the Second Edition(p. xvii)
• Chapter 1 Understanding Systems Analysis(p. 1)
• The Purpose of Systems Analysis(p. 1)
• What Is a System?(p. 2)
• What Is Analysis?(p. 5)
• Reasons for Analyzing a System(p. 7)
• Qualifications of the Systems Analyst(p. 9)
• Librarians As Systems Analysts(p. 10)
• Problems in Systems Analysis(p. 11)
• System Life Cycle(p. 12)
• Relationship Between Systems Analysis and Computers(p. 13)
• Case Study--Fort Memorial Library(p. 15)
• Discussion Questions(p. 15)
• References(p. 16)
• Chapter 2 The Historical Development of Systems Analysis(p. 17)
• Introduction(p. 17)
• Pioneers in Systems Analysis(p. 17)
• Steps in Modern Systems Analysis(p. 22)
• Caveat(p. 24)
• Case Study--Fort Memorial Library(p. 24)
• Discussion Questions(p. 25)
• References(p. 26)
• Chapter 3 The Human Element(p. 29)
• Introduction(p. 29)
• Organizational Commitment(p. 29)
• Management Level(p. 29)
• Lower Administrative Levels(p. 31)
• Ethics of Systems Analysis(p. 33)
• Case Study--Fort Memorial Library(p. 35)
• Discussion Questions(p. 36)
• References(p. 36)
• Chapter 4 Identifying and Defining Problems(p. 37)
• Introduction(p. 37)
• Identifying Problems(p. 38)
• Sources of Problems(p. 40)
• Taxonomy of Problems(p. 42)
• Case Study--Fort Memorial Library(p. 45)
• Discussion Questions(p. 46)
• References(p. 46)
• Chapter 5 Collecting Data(p. 47)
• Introduction(p. 47)
• Conducting Interviews(p. 47)
• Types of Interviews(p. 50)
• Criteria for Evaluating Interview Questions(p. 52)
• Preparing for an Interview(p. 53)
• Administering Questionnaires(p. 55)
• Designing Questionnaires(p. 56)
• Action Logs(p. 60)
• Conducting Observations(p. 61)
• Using Existing Documentation(p. 63)
• Evaluation of the Usefulness of the Data Collection(p. 63)
• Practice in Selecting Data Collection Methods(p. 63)
• Case Study--Fort Memorial Library(p. 64)
• Discussion Questions(p. 64)
• References(p. 65)
• Chapter 6 Analyzing and Displaying Data in Flowcharts(p. 67)
• Standardization of Communication(p. 67)
• Recording Data in Flowcharts(p. 68)
• Creating a Flowchart(p. 71)
• Flowchart Symbols(p. 73)
• Flowchart Conventions(p. 73)
• Types of Flowcharts(p. 80)
• Illustrative Examples(p. 82)
• Practice in Drawing Flowcharts(p. 87)
• Analysis of Data(p. 87)
• Case Study--Fort Memorial Library(p. 88)
• Discussion Questions(p. 88)
• References(p. 89)
• Chapter 7 Designing Data Flow Diagrams(p. 91)
• Introduction(p. 91)
• Data Flow Diagram Conventions(p. 92)
• Uses of Symbols(p. 94)
• Levels of Data Flow Diagrams(p. 95)
• Designing a Data Flow Diagram(p. 97)
• Typical Problems(p. 100)
• Criteria for Evaluating a Data Flow Diagram(p. 101)
• Practice in Drawing DFDs(p. 103)
• Data Dictionaries(p. 104)
• Sample Data Dictionary Templates(p. 104)
• Case Study--Fort Memorial Library(p. 109)
• Discussion Questions(p. 110)
• References(p. 110)
• Chapter 8 Using Other Array Methods(p. 111)
• Introduction(p. 111)
• Structured English(p. 111)
• Decision Tables(p. 117)
• Decision Trees(p. 119)
• Practice in Constructing Decision Tables(p. 122)
• Selecting a Technique(p. 123)
• Other Tools(p. 124)
• Nassi-Schneiderman Charts(p. 124)
• Warnier-Orr Diagrams(p. 125)
• Structure Charts(p. 128)
• Entity Relationship Diagrams(p. 129)
• Case Study--Fort Memorial Library(p. 131)
• Discussion Questions(p. 131)
• References(p. 132)
• Chapter 9 Object-Oriented Techniques(p. 133)
• The Object Orientation "Revolution"(p. 133)
• The Object-Oriented Paradigm(p. 134)
• Object-Oriented Analysis and Design(p. 136)
• Steps in the Object-Oriented Analysis Method(p. 136)
• Prototyping(p. 138)
• Diagramming Tools(p. 139)
• Unified Modeling Language(p. 140)
• The Utility of the OOP(p. 141)
• Case Study--Fort Memorial Library(p. 143)
• Discussion Questions(p. 144)
• References(p. 144)
• Chapter 10 Designing the System(p. 147)
• Introduction(p. 147)
• Creation of Functional Specifications(p. 147)
• Determination of Alternatives(p. 149)
• Conceptual Design(p. 151)
• Inputs(p. 151)
• Outputs(p. 152)
• Processes(p. 153)
• Files(p. 153)
• System Integration(p. 155)
• Physical Aspects and Resources(p. 156)
• Case Study--Fort Memorial Library(p. 156)
• Discussion Questions(p. 157)
• References(p. 157)
• Chapter 11 Presenting the System(p. 159)
• Introduction(p. 159)
• Principles of Formal Communication(p. 160)
• The Oral Presentation(p. 161)
• Public Speaking(p. 163)
• Written Reports(p. 164)
• Documentation(p. 168)
• Propaganda(p. 169)
• Summary(p. 169)
• Case Study--Fort Memorial Library(p. 170)
• Discussion Questions(p. 170)
• Chapter 12 Selecting the System(p. 173)
• Introduction(p. 173)
• Existing Versus Custom Designed Systems(p. 173)
• Package Systems Versus Component Systems(p. 174)
• Pursuit of Perfection(p. 174)
• System Selection(p. 174)
• Determining Costs and Benefits(p. 175)
• Costs of Selection(p. 176)
• Costs of Money(p. 177)
• Nonquantifiable Costs and Benefits(p. 178)
• Designing Specifications(p. 179)
• Requests for Proposals(p. 181)
• Contracts(p. 184)
• Exercise in Evaluation and Selection(p. 184)
• Case Study--Fort Memorial Library(p. 185)
• Discussion Questions(p. 186)
• References(p. 186)
• Chapter 13 Managing a Project(p. 187)
• Introduction(p. 187)
• Performance Specifications(p. 188)
• Time(p. 189)
• Budget(p. 190)
• Overruns(p. 191)
• Steps in Project Management(p. 192)
• Statement of Work(p. 192)
• The Implementation Plan(p. 192)
• The Implementation Process(p. 193)
• Completion of the Project(p. 195)
• Tools for Project Control(p. 196)
• Drawing CPM Charts(p. 199)
• Estimating Time for Activities(p. 202)
• Other Benefits of Network Diagrams(p. 204)
• Exercise in Project Management(p. 207)
• Case Study--Fort Memorial Library(p. 208)
• Discussion Questions(p. 209)
• References(p. 209)
• Chapter 14 Proving the System(p. 211)
• Introduction(p. 211)
• Pre-Release Tests(p. 212)
• Ad Hoc Testing(p. 212)
• Functional Testing(p. 213)
• Structure Testing(p. 213)
• Other Techniques(p. 214)
• Implementation Tests(p. 214)
• Reliability(p. 214)
• Functionality(p. 215)
• Capacity(p. 216)
• Incorporation of Tests(p. 217)
• Case Study--Fort Memorial Library(p. 218)
• Discussion Questions(p. 219)
• Chapter 15 Strategies for Implementation(p. 221)
• Introduction(p. 221)
• Site Preparation(p. 221)
• Physical Layout(p. 222)
• Power(p. 222)
• Communications(p. 223)
• Lighting(p. 223)
• Climate Control(p. 223)
• Noise Control(p. 224)
• Security(p. 224)
• Disaster Planning(p. 226)
• Bringing Up a New System(p. 227)
• First-Time Automation Efforts(p. 228)
• Subsequent System Implementations(p. 228)
• Retrospective Conversion(p. 228)
• Bibliographic Records(p. 229)
• Authority Records(p. 230)
• Holdings Records(p. 230)
• Migration Conversion(p. 231)
• System Maintenance(p. 231)
• Vendor Relations(p. 232)
• Conclusion(p. 233)
• Case Study--Fort Memorial Library(p. 234)
• Discussion Questions(p. 235)
• Appendix A NQA Overthruster Project(p. 237)
• Appendix B Responses to Brief Case Studies(p. 239)
• Appendix C Java Program to Determine Sample Size(p. 249)
• Index(p. 251)