《系统分析与设计》九版：电子教材，软件工程核心内容概览

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《系统分析与设计》是Gary B. Shelly和Harry J. Rosenblatt合著的一本经典教材，属于Shelly Cashman系列的一部分，专注于软件工程领域的重要实践。本书第九版专为满足全球范围内的学习需求而编写，包括澳大利亚、巴西、日本、韩国、墨西哥、新加坡、西班牙、英国、美国等国家的学生和专业人士。电子版的存在可能受到版权限制，导致部分内容被暂时屏蔽，但这并不影响整体的学习体验。系统分析与设计是软件工程的核心环节，它涵盖了从识别和理解用户需求到创建软件解决方案的全过程。在这个过程中，作者强调了以下几个关键知识点： 1. 需求分析：这是整个系统生命周期的起始阶段，通过与利益相关者沟通，收集并文档化系统的需求，确保最终产品能满足用户的功能性和非功能性需求。 2. 业务流程分析：涉及对现有业务流程的深入理解，通过流程图、数据流图等工具，描绘出业务运作的逻辑，以便找出改进或自动化的机会。 3. 系统架构设计：根据需求分析的结果，设计系统的整体结构，包括硬件、软件、数据库和网络组件的配置，以及模块间的接口和关系。 4. 数据模型设计：确定数据如何存储、管理和处理，包括实体-关系模型（ERD）的构建，有助于优化数据库设计。 5. 软件设计：进一步细化系统的设计，采用软件设计模式，如面向对象设计、模块化设计等，确保代码的可读性、可维护性和扩展性。 6. 系统测试与验证：在设计完成后，系统需要经过严格的测试，包括单元测试、集成测试和系统测试，以确保功能正确无误。 7. 用户界面设计：用户体验是至关重要的，良好的UI/UX设计可以显著提升软件的易用性。 8. 变更管理：随着技术的发展和需求的变化，系统可能会面临调整，因此了解如何管理变更和版本控制也是系统分析与设计中的重要内容。《系统分析与设计》第九版提供了丰富的案例研究、实践活动和实用工具，帮助读者掌握这些关键概念和技能。为了获取最新的价格信息、版本更新以及更多格式选项，读者应访问Cengage Learning的官方网站。这本书是系统分析师、软件工程师以及任何希望深入了解软件开发流程的专业人士不可或缺的学习资料。

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xiv Preface

• Expanded coverage of IT trends, including cloud computing, Web 2.0, social net-

working, RFID, wireless networks, mobile computing, offshore outsourcing,

e-business, ERP, Web hosting, client/server architecture, network concepts,

Webinars, podcasts, RSS feeds, Web-based applications, and others.

• Updated Systems Analyst’s Toolkit teaches students IT support skills in four cross-

functional areas, including Communication Tools, CASE Tools, Financial Analysis

Tools, and Internet Resource Tools.

• New Management Information Systems CourseMate Web site for Systems

Analysis and Design, Ninth Edition available for a fully digital course solution.

CourseMate provides one location for all interactive activities, Video Learning

Sessions, and an interactive e-book. EngagementTracker provides the ability to

assess student understanding of concepts through the interactive activities.

Organization of This Textbook

Systems Analysis and Design, Ninth Edition, contains 16 learning units in twelve chap-

ters and a four-part Systems Analyst’s Toolkit that teaches valuable cross-functional skills.

Chapter 1 – Introduction to Systems Analysis and Design Chapter 1 provides an up-

to-date overview of IT issues, major trends, and various systems development approaches,

including structured, object-oriented, and agile methods. The chapter emphasizes the

important role of systems analysis and design in supporting business objectives.

Chapter 2 – Analyzing the Business Case Chapter 2 offers a business-related starting

point for successful systems analysis. Topics include strategic planning, review of

systems requests, how to conduct a feasibility study, and the steps in a preliminary

investigation.

Chapter 3 – Managing Systems Projects Chapter 3 explains project management,

cost estimating, and change control for information systems. This chapter includes

hands-on skills that systems analysts can use to create Gantt charts and PERT charts.

Chapter 4 – Requirements Modeling Chapter 4 describes fact-finding techniques and

team-based modeling methods, including JAD and RAD, that systems analysts use to

model and document a new system.

Chapter 5 – Data and Process Modeling Chapter 5 explains how systems analysts

create a logical model for the new system by using data flow diagrams and process

description tools, including structured English, decision tables, and decision trees.

Chapter 6 – Object Modeling Chapter 6 explains object-oriented tools and techniques,

including use case diagrams, class diagrams, sequence diagrams, state-transition diagrams,

activity diagrams, and the Unified Modeling Language.

Chapter 7 – Development Strategies Chapter 7 focuses on software acquisition

options, including outsourcing and offshore outsourcing options, application service

providers, and other trends that view software as a service rather than a product.

Chapter 8 – User Interface Design Chapter 8 highlights output and report design, the

interaction between humans and computers, including usability issues, graphical screen

design, input issues, and data entry guidelines.

Chapter 9 – Data Design Chapter 9 describes data design terms, concepts, and skills

including entity-relationship diagrams, cardinality, data normalization rules, data warehous-

ing, data mining, a comparison of logical and physical records, and data control measures.

Chapter 10 – System Architecture Chapter 10 explains the elements of system architec-

ture, with emphasis on RFID, ERP, supply chain management, client/server architecture,

and network topology, including wireless networking standards and trends.

Chapter 11 – Managing Systems Implementation Chapter 11 includes coverage of

application development and implementation topics, including structure charts,

documentation techniques, system testing, user training, data conversion, changeover

methods, and post-implementation evaluation.

Preface

Chapter 12 – Managing Systems Support and Security Chapter 12 describes user sup-

port, maintenance techniques, and factors that indicate the end of a system’s useful life. This

chapter explains IT security concepts, techniques, and tools, and specifically addresses six

security levels: physical, network, application, file, user, and procedural security. Chapter 12

also describes risk management, data backup and disaster recovery, and explains future chal-

lenges and opportunities that IT professionals will face in a dynamic workplace.

Toolkit Part A – Communication Tools Part A of the Toolkit describes oral and writ-

ten communication tools that can make a systems analyst more effective. Topics include

guidelines for successful communications, tips for better readability, how to organize and

plan a presentation, effective speaking techniques, and managing communication skills.

Toolkit Part B – CASE Tools Part B of the Toolkit focuses on computer-aided soft-

ware engineering (CASE) tools that systems analysts use to document, model, and

develop information systems. Examples of several popular CASE tools are provided,

along with sample screens that show CASE tool features.

Toolkit Part C – Financial Analysis Tools Part C of the Toolkit explains various tools

that systems analysts use to determine feasibility and evaluate the costs and benefits of

an information system. Specific tools include payback analysis, return on investment

(ROI), and net present value (NPV).

Toolkit Part D – Internet Resource Tools Part D of the Toolkit explains Internet-

based information gathering strategies. Topics include search engines, subject directories,

the invisible Web, advanced search techniques, Boolean logic and Venn diagrams. This

Toolkit Part also discusses social networking, newsgroups, newsletters, blogs, podcasts,

RSS feeds, Webinars, mailing lists, Web-based discussion groups, chat rooms, instant

messaging, and online learning opportunities.

FOR THE STUDENT

The Shelly Cashman Series wants you to have a

valuable learning experience that will provide the

knowledge and skills you need to be successful.

With that goal in mind, we have included many

activities, games, and learning tools, that we hope

you will find interesting, challenging, and enjoyable. For exam-

ple, because a picture is worth a thousand words, each systems

development phase begins with an eye-catching Dilbert© car-

toon and a multi-color Gantt chart that provides a “You are

Here” roadmap.

Chapter Opening Features

Each chapter contains the following features to help you get

started:

• Chapter Introduction Read the Chapter Introduction for a brief overview of the

chapter.

• Chapter Objectives The Chapter Objectives lists the main skills and knowledge

you will have when you finish the chapter.

• Chapter Introduction Case: Mountain View College Bookstore The Mountain

View College Bookstore case is a continuing case study that provides a real-world

overview of the topics that will be covered in each chapter. As you work through

the textbook, you will see how the Mountain View IT team discusses the issues,

identifies the key points, and creates specific task lists.

Preface

Learning Tools within the Chapter

As you work through each chapter, you will find these helpful tools and features:

• Video Learning Sessions An online library of 18 self-paced multimedia sessions is

available to you and the text includes reminders about them. Depending on your

personal learning style, you might use the videos in various ways. For example,

one approach might be to review the chapter, watch the VLS, try the Your Turn

tasks, and then check your answers.

• A Question of Ethics A mini-case in each chapter will chal-

lenge you with real-life ethical issues in an IT environment.

• Case in Point This exciting feature provides four embedded

mini-case opportunities for you to analyze and apply the skills

and concepts you are learning in the chapter.

• Toolkit Time The Systems Analyst’s Toolkit explains skills that

you can apply at any point in the textbook. Toolkit Time mar-

ginal notes remind you about the Toolkit, where to find it, and

how it might help you address the issues or material in the chapter.

• On the Web Learn more about a topic by visiting the sug-

gested Web sites and exploring the links we have provided.

End-of-Chapter Exercises

The following exercises are in every text chapter:

• Learn It Online Each chapter features a Learn It Online page that includes six

exercises. These exercises utilize the Web to offer chapter-related reinforcement

activities that will help you gain confidence in systems analysis and design. These

exercises include True/False, Multiple Choice, Short Answer, Flash Cards, Practice

Test, and several learning games.

• CASE SIM: SCR Associates This is an interactive Web-based case study, with a

work session at the end of each chapter. Visit SCR’s Web site and log on to the

company’s intranet to read e-mail messages addressed to you, listen to voice mail

messages, and perform assigned tasks in a realistic corporate setting. In this simu-

lation you report to Jesse Baker, but you e-mail your completed assignments to

your instructor. Detailed instructions on how to use this case are available in the

Management Information Systems CourseMate Web site for Systems Analysis and

Design, Ninth Edition at www.cengagebrain.com. To log on to the SCR intranet,

you must use the password sad9. When you log on to the SCR intranet, you also

will be asked to enter your first and last name so your e-mail can be addressed

to you correctly.

• Chapter Exercises In this section, you will find 10 Review Questions, four Discussion

Topics, and four Projects. These exercises allow you to apply your understanding of

the material and will help to prepare you for tests and assessments.

• Apply Your Knowledge This section includes four mini-cases per chapter. Each

mini-case requires you to use the knowledge and skills you learned in the chapter.

• Case Studies Case studies provide practical experience and allow you to practice

specific skills learned in the chapter. Each chapter contains several case studies,

two of which (New Century Health Clinic and Personal Trainer, Inc.) continue

throughout the textbook. You can complete your assignments using Microsoft

Word and Excel forms, available in the Management Information Systems

CourseMate Web site for Systems Analysis and Design, Ninth Edition at

www.cengagebrain.com.

TOOLKIT TIME

xvi

• Chapter Capstone Case: SoftWear, Limited SoftWear, Limited (SWL) is a continuing

case study where students act as members of the SWL systems development team

and perform various assignments in each chapter, including a set of project man-

agement tasks and a sample Gantt chart.

• Ready for a Challenge This new end-of-chapter assignment stresses critical

thinking skills, which many educators and employers believe are very important

in the workplace. Perform the Practice Tasks first, view the sample answers, and

apply your knowledge and skill to the Challenge Tasks. Ready for a Challenge

can help you develop perception, organization, analysis, problem-solving, and

decision-making skills that you can take to the workplace.

Additional Support Tools

These additional tools can enhance your learning experience:

GLOSSARY/INDEX This edition of the textbook includes a glossary/index feature to

assist your understanding of key terms and phrases, or to use as a quick reference tool.

STUDENT STUDY TOOL This interactive study tool, accessible via the Management

Information Systems CourseMate Web site for Systems Analysis and Design, Ninth

Edition provides:

• Detailed outlines of every chapter that highlight key topics covered and can be used

as a guide when reviewing for an exam

• Chapter glossaries that allow you to look up all key terms in one place, and provide

page references where key terms can be found if you need more information

• Figures and Test Yourself questions that provide additional reinforcement of

chapter concepts

• User guide for Open Workbench (a free, open-source project management pro-

gram), and links to download and install a trial version of Microsoft Project and

a full version of Open Workbench

MANAGEMENT INFORMATION SYSTEMS COURSEMATE Broaden your learning

experience and enhance your understanding of the material in each chapter with the

Management Information Systems CourseMate Web site. Visit www.cengagebrain.com

for access to:

• Full, interactive digital e-book

• Video Learning Sessions and Your Turn exercises

• Ready for a Challenge Practice Tasks and Challenge Tasks

• On the Web links

• Learn It Online exercises, including True/False, Multiple Choice, Short Answer,

Flash Cards, Practice Test, and several learning games

• SCR Associates Internet and intranet sites

• Forms Library

• Project Management Resources

FOR THE INSTRUCTOR

The Shelly Cashman Series is dedicated to providing you all of the tools you need to

make your class a success. Information on all supplementary materials is available

through your Course Technology representative or by calling one of the following

xvii

Preface

telephone numbers: Colleges, Universities, Continuing Education Departments, Post-

Secondary Vocational Schools, Career Colleges, Business, Industry, Government, Trade,

Retailer, Wholesaler, Library, and Resellers, call Cengage Learning at 800-354-9706;

K-12 Schools, Secondary and Vocational Schools, Adult Education, and School Districts,

call Cengage Learning at 800-354-9706. In Canada, call Nelson Cengage Learning at

800-268-2222.

Instructor Resources Disc

The Instructor Resources disc (0-538-48163-3) for this textbook includes both teaching

and testing aids. The contents of the disc are listed below:

• Instructor’s Manual Includes lecture notes summarizing the chapter sections, fig-

ures and boxed elements found in every chapter, teacher tips, classroom activities,

lab activities, and quick quizzes in Microsoft Word files.

• Syllabus Easily customizable sample syllabus that covers policies, assignments,

exams, and other course information. Also included is a Microsoft Project file used

to create the five Phase Opener Gantt charts. An instructor can use this project file

to create a visual syllabus that could include additional tasks, quizzes, and projects.

The project file also can be used to track class progress through the course.

Instructors are welcome to distribute this file to students, and show them how to

manage tasks, resources, and deadlines for team projects that might be assigned.

• PowerPoint Presentations A multimedia lecture presentation system provides

slides for each chapter, based on chapter objectives.

• Figure Files Illustrations for every figure in the textbook in electronic form.

• Solutions to Exercises Includes solutions for end-of-chapter exercises, including

Ready for a Challenge Practice and Challenge Task solutions, chapter reinforce-

ment exercises, and extra case studies.

• Test Bank & Test Engine Test Banks include 112 questions for every chapter, and

feature objective-based and critical thinking question types, page number references,

and figure references when appropriate. The ExamView test engine is the ultimate

tool for your testing needs.

• Additional Activities for Students The forms that students can use to complete the

Case Studies are included. Two additional case studies are also provided for every

chapter, to be assigned as homework, extra credit, or assessment tools. Chapter

Reinforcement Exercises, which are true/false, multiple-choice, and short answer

questions that help students gain confidence in the material learned are included,

as are the Your Turn Practice Tasks and sample solutions.

• Additional Faculty Files A copy of the powerful CASE tool, Visible Analyst —

Student Edition, is provided for your evaluation. Several sample solutions to case

study tasks also are included. To install this program, you follow a simple regis-

tration process that entitles you to use the software and obtain support. Detailed

instructions are provided on the Instructor Resources disc. Also included are

Word document versions of the e-mail and voice mail messages posted for stu-

dents on the SCR Web site and the Interview Summaries for the New Century

Case Study.

xviii

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