Systems analysis and design 5th edition Alan Dennis, Barbara Haley Wixom, Roberta m. Roth - Solutions

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What are the potential benefits of Model-Driven Architecture?
What is a met model? How is a met model used?
What is an object framework? How is it different from a library of components?
In what ways do components make software development faster?
What is a service? How does a service differ from a component? How are services similar to components?
Consider the capabilities of the programming language and development tools used in your most recent programming or software development class. Are they powerful enough to implement developmental prototypes for single user software on a personal computer? Are they sufficiently powerful to implement
The Unified Process (UP) was first developed by a company called Rational, which is now owned by IBM. On the IBM Web site, find any information about UP tools available through IBM/Rational. Briefly describe the suite of tools available. Also look on the IBM Web site and other Web sites (such as
Consider XP’s team-based programming approach in general and its principle of allowing any programmer to modify any code at any time in particular. No other development approach or programming management technique follows this particular principle. Why not? In other words, what are the possible
Visit the Web sites of the Agile Alliance (www. agilealliance.com/home) and Agile Modeling (www. agilemodeling.com/). Find some articles on project management in an agile environment. Summarize key points that you think make project management more difficult in this environment than in a
The chapter discussed the benefits of using Agile Development techniques. List and explain the conditions under which it would be unwise to use an Agile Development methodology such as XP or Scrum.
Compare and contrast object frameworks, components, and service-oriented architecture in terms of ease of modification before system deployment, ease of modification after system deployment, and overall cost savings from code reuse. Which approach is likely to yield greater benefits for a unique
Consider the similarities and differences between component based design and construction of computer hardware (such as personal computers) and design and construction of computer software. Can the “plug-compatible” nature of computer hardware ever be achieved with computer software? Does your
Consider a project to replace the student advisement system at your school with one that employs modern features (for example, Web-based interfaces, instant reports of degree program progress, and automatic course registration based on a long-term degree plan). Now consider how such a project would
Examine the technical description of a complex end-user software package such as Microsoft Office. In what ways was component-based software development used to build the software?
Examine the architecture of a typical consumer-oriented e-commerce Web site such as Amazon.com. How is service oriented architecture employed within the site?
1. Describe the pros and cons of the UP approach versus XP and Scrum development approaches to upgrading the existing systems or developing new ones. Do the pros and cons change if the systems are replaced instead of upgraded? Do the pros and cons vary by system? If so, should different development
1. Consider the criteria discussed in this chapter for choosing among the adaptive approaches to system development. Which CSS project characteristics favor a predictive approach? Which favor the UP? What characteristics might indicate use of a more agile approach? Which approach is best suited to
1. Which of the development approaches described in this chapter seem best suited to the project? Why? Plan the first six weeks of the project under your chosen development approach.2. What role will components play in the system being developed for Reliable? Does it matter on which component
A major retail store recently spent $24 million dollars on a large private satellite communication system that provides state-of-the-art voice, data, and video transmission between stores and regional headquarters. When an item gets sold, the scanner software updates the inventory system in real
The South Dakota Department of Labor, Workers' Compensation division was sinking under a load of paper files. As a state agency which ascertains that employees are treated fairly when they are injured on the job, the agency had a plethora of paper files and filing cabinets. If a person (or company)
Review the description of the South Dakota workers' compensation project in Your Turn 1-3. There were legal hurdles to implementing a digital solution to handle workers' compensation claims. One hurdle was that the previous paper method had physical signatures from employees signing off that they
I conducted a case study at Carlson Hospitality, a global leader in hospitality services, encompassing more than 1300 hotel, resort, restaurant, and cruise ship operations in 79 countries. One of its brands, Radisson Hotels & Resorts, researched guest stay information and guest satisfaction
Many companies are undergoing server virtualization. This is the concept of putting multiple "virtual" servers onto one physical device. The payoffs can be significant: fewer servers, less electricity, less generated heat, less air conditioning, less infrastructure and administration costs,
What are the six general skills all project team members should have?
What are the major roles on a project team?
Compare and contrast the role of a systems analyst, business analyst, and infrastructure analyst.
Compare and contrast phases, steps, techniques, and deliverables.
Describe the major phases in the systems development life cycle (SDLC).
Describe the principal steps in the planning phase. What are the major deliverables?
Describe the principal steps in the analysis phase. What are the major deliverables?
Describe the principal steps in the design phase. What are the major deliverables?
Describe the principal steps in the implementation phase. What are the major deliverables?
Which phase in the SDLC is the most important?
What does gradual refinement mean in the context of SDLC?
Describe the four steps of business process management. Why do companies adopt BPM as a management strategy?
Compare and contrast BPA, BPI, and BPR. Which is most risky? Which has the greatest potential value?
Give three examples of business needs for a system.
Describe the roles of the project sponsor and the approval committee.
What is the purpose of an approval committee? Who is usually on this committee?
Why should the system request be created by a businessperson as opposed to an IS professional?
What is the difference between intangible value and tangible value? Give three examples of each.
What are the purposes of the system request and the feasibility analysis? How are they used in the project selection process?
Describe two special issues that may be important to list on a system request.
Describe the three dimensions of feasibility analysis.
What factors are used to determine project size?
Describe a "risky" project in terms of technical feasibility. Describe a project that would not be considered risky.
What are the steps for assessing economic feasibility? Describe each step.
List two intangible benefits. Describe how these benefits can be quantified.
List two tangible benefits and two operational costs for a system. How would you determine the values that should be assigned to each item?
Explain how an expected value can be calculated for a cost or benefit. When would this be done?
Explain the net present value and return on investment for a cost-benefit analysis. Why would these calculations be used?
What is the break-even point for the project? How is it calculated?
What is stakeholder analysis? Discuss three stakeholders that would be relevant for most projects.
Car dealers have realized how profitable it can be to sell automobiles by using the Web. Pretend that you work for a local car dealership that is part of a large chain such as CarMax. Create a system request that you might use to develop a Web-based sales system. Remember to list special issues
Suppose that you are interested in buying yourself a new computer. Create a cost-benefit analysis that illustrates the return on investment that you would receive from making this purchase. Computer-related websites (www.dell.com, www.hp.com) should reveal real tangible costs that you can include
Consider the Amazon.com website. The management of the company decided to extend its Webbased system to include products other than books (e.g., wine, specialty gifts). How would you have assessed the feasibility of this venture when the idea first came up? How "risky" would you have considered the
Reread the "Your Turn 1-2" box (Implementing a Satellite Data Network). Create a list of the stakeholders that should be considered in a stakeholder analysis of this project.
Barbara Singleton, manager of western regional sales at the WAMAP Company, requested that the IS department develop a sales force management and tracking system that would enable her to better monitor the performance of her sales staff. Unfortunately, due to the massive backlog of work facing the
The Amberssen Specialty Company is a chain of 12 retail stores that sell a variety of imported gift items, gourmet chocolates, cheeses, and wines in the Toronto area. Amberssen has an IS staff of three people who have created a simple, but effective, information system of networked point-of-sale
Martin is working to develop a preliminary cost–benefit analysis for a new client-server system. He has identified a number of cost factors and values for the new system, summarized in the following tables:Development Costs—Personnel2 Systems Analysts
In April 1999, one of Capital Blue Cross' 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. In order to revamp the product features or pricing to boost performance, the
Suppose that you are an analyst for the ABC Company, a large consulting firm with offices around the world. The company wants to build a new knowledge management system that can identify and track the expertise of individual consultants anywhere in the world on the basis of their education and the
Figure shows the increasing number of communication channels that exist as a team grows from two members to four members. Using the figure as a guide, draw the number of communication channels that will be needed in a six-member team. Now, determine the number of communication channels that will be
Select a computer-aided software engineering (CASE) tool—either 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.QUESTION:Would you classify the CASE as upper CASE, lower CASE,
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 that you receive. It
Refer to the project size and lines of code that you calculated in "Your Turn 2A-1."QUESTIONS:1. Determine the effort of your project in person-months of effort by multiplying your lines of code (in thousands) by 1.4.2. Calculate the schedule time in months for your project by using the formula 3.0
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
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 5 months—impossible! On the first day of the project, the project manager drew a triangle on a white board to illustrate some tradeoffs that he
System projects are notorious for being late and over budget. When should management stop a project that is late or costing more than the intended budget? Consider this case:Valley Enterprises opted to implement Voice over Internet Protocol (VoIP) service in its Phoenix, Arizona, service area. The
Describe how projects are selected in organizations.
Describe how project portfolio management is used by IT departments.
Describe the major elements and issues with waterfall development.
Describe the major elements and issues with parallel development.
Describe the major elements and issues with the V-model.
Describe the major elements and issues with iterative development.
Describe the major elements and issues with system prototyping.
Describe the major elements and issues with throwaway prototyping.
Describe the major elements and issues with agile development.
Compare and contrast structured design methodologies in general with rapid application development (RAD) methodologies in general.
Compare and contrast extreme programming and throwaway prototyping.
What are the key factors in selecting a methodology?
Why do many projects end up having unreasonable deadlines? How should a project manager react to unreasonable demands?
Name two ways to identify the tasks that need to be accomplished over the course of a project.
What is the difference between a methodology and a work plan? How are the two terms related?
Some companies hire consulting firms to develop the initial project plans and manage the project, but use their own analysts and programmers to develop the system. Why do you think some companies do this?
Describe the differences between a technical lead and a functional lead. How are they similar?
Describe three technical skills and three interpersonal skills that would be very important to have on any project.
What are the best ways to motivate a team? What are the worst ways?
List three techniques to reduce conflict.
What is the difference between upper CASE (computer aided software engineering) and lower CASE?
Describe three types of standards, and provide examples of each.
What belongs in the project binder? How is the project binder organized?
What are the trade-offs that project managers must manage?
What is scope creep, and how can it be managed?
What is timeboxing, and why is it used?
Create a list of potential risks that could affect the outcome of a project.
Describe the factors that the project manager must evaluate when a project falls behind schedule.
What is a function point, and how is it used?
Describe the three steps of the function point approach.
What is the formula for calculating the effort for a project?

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