Essentials Of Systems Analysis And Design 5th Edition Joseph Valacich, Joey F George - Solutions

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Describe the major phases in the SDLC.
What are the roles of a project sponsor and the approval committee?
Compare and contrast process-centered methodologies with data-centered methodologies.
Compare and contrast structured design-based methodologies in general to RAD-based methodologies in general.
Describe the major elements in and issues with XP.
Describe the major elements in and issues with Scrum.
What are the major roles played by a systems analyst on a project team?
What is the difference between classes and objects?
What are methods and messages?
Why are encapsulation and information hiding important characteristics of object-oriented systems?
What is meant by polymorphism when applied to object-oriented systems?
Compare and contrast dynamic and static binding.
What is a use case?
What is meant by use-case driven?
What is the Unified Modeling Language?
Who is the Object Management Group?
What is the primary purpose of structure diagrams?Give some examples of structure diagrams.
For what are behavior diagrams used? Give some examples of behavior diagrams.
Why is it important for an OOSAD approach to be architecture-centric?
What does it mean for an OOSAD approach to be incremental and iterative?
What are the phases and workflows of the Unified Process?
Compare the phases of the Unified Process with the phases of the waterfall model.
Describe the major elements and issues with an object-oriented approach to developing information systems.
The basic types of methodologies discussed in this chapter can be combined and integrated to form new hybrid methodologies. Suppose you were to combine throwaway prototyping with the use of waterfall development.What would the methodology look like?Draw a picture. How would this new methodology
Look on the web for different kinds of job opportunities that are available for people who want analyst positions? Compare and contrast the skills that the ads ask for to the skills that we presented in this chapter.
Using your favorite Web search engine, find alternative descriptions of the basic characteristics of objectoriented systems.
Look up object-oriented programming in Wikipedia.Write a short report based on its entry.
Choose an object-oriented programming language, such as C++, Java, Objective-C, Smalltalk, or VB.Net, and use the Web to find out how the language supports the basic characteristics of object-oriented systems.
Assume that you have been assigned the task of creating an object-oriented system that could be used to support students in finding an appropriate apartment to live in next semester. What are the different types of objects (i.e., classes) you would want to include in your system? What attributes or
Create an inheritance hierarchy that could be used to represent the following classes: accountant, customer, department, employee, manager, organization, and salesperson.
Investigate IBM’s Rational Unified Process (RUP) on the Web. RUP is a commercial version that extends aspects of the Unified Process. Write a brief memo describing how it is related to the Unified Process as described in this chapter. (Hint: A good website with which to begin is
Suppose you are a project manager who typically has been using a waterfall development–based methodology on a large and complex project. Your manager has just read the latest article in Computerworld that advocates replacing this methodology with the Unified Process and comes to you requesting
Suppose you are an analyst working for a small company to develop an accounting system. Would you use the Unified Process to develop the system, or would you prefer one of the other approaches? Why?
Suppose you are an analyst developing a new information system to automate the sales transactions and manage inventory for each retail store in a large chain.The system would be installed at each store and exchange data with a mainframe computer at the company’s head office. Would you use the
Investigate the Unified Modeling Language on the Web. Write a paragraph news brief describing the current state of the UML.
Investigate the Object Management Group (OMG) on the Web. Write a report describing the purpose of the OMG and what it is involved with besides the UML.
Using the Web, find a set of CASE tools that support the UML. A couple of examples include Poseidon, Rational Rose, and Visual Paradigm. Find at least two more. Write a short report describing how well they support the UML, and make a recommendation as to which one you believe would be best for a
Joe Brown, the president of Roanoke Manufacturing, requested that Jack Jones, the MIS department manager, investigate the viability of selling their products over the Web. Currently, the MIS department is still using an IBM mainframe as their primary deployment environment. As a first step, Jack
Dominion Virginia Power is one of the nation’s ten largest investor-owned electric utilities. The company delivers power to more than two million homes and businesses in Virginia and North Carolina. In 1997, the company overhauled some of its core processes and technology. The goal was to improve
Think about your own university or college, and choose an idea that could improve student satisfaction with the course enrollment process. Currently can students enroll for classes from anywhere? How long does it take? Are directions simple to follow? Is online help available?Next, think about how
Health care is a big industry in the United States, and with the baby boomers born in the late 1940s and 1950s(after World War II) starting to retire, there will be huge demands for senior health care. The desire is for better technologies to allow grandpa and grandma to live independently in their
The FBI’s failure to roll out an expanded computer system that would help agents investigate criminals and terrorists is the latest in a series of costly technology blunders by the government over more than a decade. Experts blame poor planning, rapid industry advances, and the massive scope of
Think about the idea that you developed in Your Turn 2-2 to improve your university or college course enrollment.Questions1. List three things that influence the technical feasibility of the system.2. List three things that influence the economic feasibility of the system.3. List three things that
In April 1999, one of Capital Blue Cross’s health-care insurance plans had been in the field for three years but hadn’t performed as well as expected. The ratio of premiums to claims payments wasn’t meeting historic norms. To revamp the product features or pricing to boost performance, the
I was once on a project to develop a system that should have taken a year to build. Instead, the business need demanded that the system be ready within five months—impossible!On the first day of the project, the project manager drew a triangle on a white board to illustrate some trade-offs that
Imagine that job hunting has been going so well that you need to develop a system to support your efforts. The system should allow you to input information about the companies with which you interview, the interviews and office visits that you have scheduled, and the offers you receive. It should
Travelers Insurance Company of Hartford, Connecticut, has adopted agile development methodologies. The insurance field can be competitive, and Travelers wanted to have the shortest “time to implement” in the field. Travelers set up development teams of six people: two systems analysts, two
Now it is time to staff the project that was described in Your Turn 2-6. On the basis of the effort required for the project, how many people will be needed on the project?Given this number, select classmates who will work with you on your project.Questions1. What roles will be needed to develop
Some animals are extremely valuable. For centuries, horse thieves have stolen horses, so now most horses have tattoos in their mouths. Likewise, purebred pets, such as dog show winners, are valuable animals. What if there were a better way to positively identify valuable animals?Radio frequency
Get together with several of your classmates and pretend that you are all staff on the project described in Your Turn 2-6. Discuss what would most motivate each of you to perform well on the project. List three potential sources of conflict that could surface as you work together.QuestionDevelop a
Select a CASE tool—one that you will use for class, a program that you own, or a tool that you can examine over the Web. Create a list of the capabilities that are offered by the CASE tool.QuestionWould you classify the CASE tool as upper CASE, lower CASE, or I-CASE? Why?
Describe the three techniques for feasibility analysis.
What is the break-even point for the project? How is it calculated?
Compare and contrast the Gantt chart with the network diagram.
What is a use-case point? For what is it used?
What process do we use to estimate systems development based on use cases?
What are the problems associated with conventional WBSs?
What is an evolutionary WBS? How does it address the problems associated with a conventional WBS?
What is an iterative workplan?
Describe the hurricane model.
What is the difference between upper CASE and lower CASE?
Locate a news article in an IT trade magazine (e.g., Computerworld) about an organization that is implementing a new computer system. Describe the tangible and intangible value that the organization is likely to realize from the new system.
The Amazon.com website originally sold books; then the management of the company decided to extend their Web-based system to include other products.How would you have assessed the feasibility of this venture when the idea first came up? How risky would you have considered the project that
Select a specific project management topic such as CASE, project management software, or timeboxing and search for information on that topic using the Web. Any search engine (e.g., Bing, Google) can provide a starting point for your efforts.
Refer to the situation in exercise 9. You have been told that recruiting season begins a month from today and that the new system must be used. How would you approach this situation? Describe what you can do as the project manager to make sure that your team does not burn out from unreasonable
Complete a use-case point worksheet to estimate the effort to build the system described in exercises I, J, K, and L. You will need to make assumptions regarding the actors, the use cases, and the technical complexity and environmental factors.
Read Your Turn 2-6. Create a risk assessment that lists the potential risks associated with performing the project, along with ways to address the risks.
The Decker Company maintains a fleet of ten service trucks and crews that provide a variety of plumbing, heating, and cooling repair services to residential customers.Currently, it takes on average about six hours before a service team responds to a service request.Each truck and crew averages
Tom, Jan, and Julie are IS majors at Great State University.These students have been assigned a class project by one of their professors, requiring them to develop a new Web-based system to collect and update information on the IS program’s alumni. This system will be used by the IS graduates to
The use-case diagram shown in Figure A-1 captures the Student billing function but does not contain any function for accepting tuition payment from students. Revise the diagram to capture this functionality. Also, express some common behavior among two use cases in the revised diagram by using
Suppose that the employees of the university are not billed for tuition. Their spouses do not get a full-tuition waiver but pay for only 25 percent of the total tuition. Extend the use-case diagram of Figure A-1 to capture these situations.FIGURE A-1 549.0 Madaling S P M Top Packag fac 1 www offic
Explain the use of association role for an association on a class diagram.
Match each of the key terms with the definition that best fits it.____________ Making a program simpler after adding a new feature.Here are the key terms from the appendix. The page where each term is first explained is in parentheses after the term.1. Agile Methodologies 2. Refactoring3.
When should you use an Agile method, and when should you use an engineering-based method for developing a system? Support your answer.
Match each of the key terms with the definition that best fits it.____________ Creating uncomplicated software and software components that work to solve the current problem rather than creating complicated software designed for a future that may not come.Here are the key terms from the appendix.
Describe the three stages that information systems development has passed through.
Find books and articles on some of the other Agile Methodologies, such as Scrum and Feature Driven Development. Compare what you find to what you have read in this appendix about eXtreme Programming. Write a report that illustrates the similarities and differences in these approaches.
Match each of the key terms with the definition that best fits it.____________ A family of development methodologies characterized by short iterative cycles and extensive testing; active involvement of users for establishing, prioritizing, and verifying requirements; and a focus on small teams of
What is the heart of the systems development process? How does it fit within the larger SDLC framework?
How widespread are the Agile Methodologies in the information technology industry? Research this question and write a report that explains what you find.
Discuss the Agile Methodologies approach to systems requirements determination, design specifications, and the combination of coding and testing.
Using the World Wide Web, find a company or firm near you where the Agile Methodologies are in use. Interview developers to find out what their approach to development looks like. Prepare a report based on your findings.
Assume you have been given the task of leading a team developing an online order-entry system. What would your project look like using the structured techniques featured in this book? What would your project look like using an Agile method? Compare and contrast these two different approaches to
What is Agile Usage-Centered Design? How is it used for requirements determination?
What is the Planning Game, and what is it used for?
How are design specifications handled in the Agile Methodologies?
What is simple design? What is refactoring?
Explain how testing differs in the Agile Methodologies and in traditional approaches.
What have we learned about Agile development methods in practice?
Consider the reasons implementations fail. For at least three of these reasons, explain why this happens, if there is one (or more) type of implementation likely to minimize the occurrence, and if there is one (or more) type of installation more likely to induce failure for this reason.
Pine Valley Furniture’s Customer Tracking System is now entering the final phases of the systems development life cycle. It is a busy time for the project team; project team members are busy coding, testing, training end users, and finalizing the system’s documentation.To enhance your learning
Describe the process of coding, testing, and converting an organizational information system and outline the deliverables and outcomes of the process.
Match each of the key terms with the definition that best fits it.________ A testing technique in which participants examine program code for predictable language-specific errors.Here are the key terms from the chapter. The page where each term is first explained is in parentheses after the term.1.
Two members of your project development team are disagreeing about the relative importance of training and documentation. Sam strongly believes that training is far more important because it will ensure the successful implementation of the information system and that the early usage is a positive
The development of Hoosier Burger’s information system is nearing completion. At recent project meetings, the types of testing, training, documentation, and installation strategies appropriate for Hoosier Burger have been discussed. The end users have little computer experience and thus, require
Apply four installation strategies: direct, parallel, single location, and phased installation.
Match each of the key terms with the definition that best fits it.________ A testing technique in which the program code is sequentially executed manually by the reviewer.Here are the key terms from the chapter. The page where each term is first explained is in parentheses after the term.1.
Kitchen Plus is one of the nation’s top kitchenware producers. The company has several product lines, including cookware, small appliances, cutlery, and tableware. Over the past several years, the company has watched its market share begin to slip. Several information system projects were rushed
List the deliverables for documenting the system and for training and supporting users.
Match each of the key terms with the definition that best fits it.________ Component of a software package or application in which training and educational information is embedded. An EPSS may include a tutorial, expert system, and hypertext jumps to reference material.Here are the key terms from

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Essentials Of Systems Analysis And Design 5th Edition Joseph Valacich, Joey F George - Solutions

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