Systems Analysis And Design 5th Edition Roberta M. Roth ,Alan Dennis - Solutions

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P. Identify the use cases for the following system: Of- the-Month Club (OTMC) is an innovative young firm that sells memberships to people who have an inter- est in certain products. People pay membership fees for one year, and each month they receive a product by mail. For example, OTMC has a
1. A Video Store (AVS) runs a series of fairly standard video stores. Create a sequence diagram for each of the following scenario descriptions for a video store system: Every customer must have a valid AVS customer card in order to rent a video. Customers rent videos for three days at a time.
D. Investigate computer-aided software engineering (CASE) tools that support UML (e.g., Rational Soft- ware's Rational Rose, Microsoft's VISIO) and describe how well they support the language. What CASE tool would you recommend for a project team about to embark on a project by using the object
C. approach to systems development. (Hint: A good resource is: www.omg.org.) Investigate the Rational Unified Process (RUP). Describe the major benefits of RUP and the steps that it contains. Compare the methodology with one of the other methodologies described in Chapter 2.
B. Investigate the Object Management Group (OMG). Write a brief memo describing what it is, its pur- pose, and its influence on UML and the object
29. What do you think are three common mistakes that novice analysts make in using UML techniques?
27. Describe the way in which the RUP is implemented on a systems project.
26. Compare and contrast the rational unified process (RUP) with UML.
24. What three kinds of events can lead to state transi- tions on a behavioral state machine diagram?
23. Are states always depicted by rounded rectangles on a behavioral state machine diagram? Explain.
21. Why is an association class used for a class dia- gram? Give an example of an association class that may be found in a class diagram that captures stu- dents and the courses that they have taken. 22. Give two examples of aggregation associations and generalization associations. How is each type
20. What are the two kinds of labels that a class dia- gram can have for each association? When is each kind of label used?
17. Give three examples of derived attributes that may exist on a class diagram. How would they be denoted on the model?
16. How is a class diagram different from an ERD?
15. Describe the steps used to create a sequence diagram.
14. Do lifelines always continue down the entire page of a sequence diagram? Explain.
13. Describe the main building blocks for the sequence diagram and how they are represented on the model.
12. Give examples of a static model and a dynamic model in UML. How are the two kinds of models different?
6. Describe the steps in creating a use case diagram.
1. Nancy is the IS department head at MOTO Inc., a human resources management firm. The IS staff at MOTO Inc. completed work on a new client manage ment software system about a month ago. Nancy was impressed with the performance of her staff on this project because the firm had not previously
10. tem for your university that replaces an old system in which students had to go to the coliseum at cer- tain times and stand in line to get permission slips for each course they wanted to take. Develop at migration plan (including both technical conversion and change management). Suppose that
9. Suppose that you are the project leader for the devel- opment of a new web-based course registration sys-
21. Some experts argue that change management is more important than any other part of the SDLC. Do you agree or not? Explain.
20. What do you think are three common mistakes that novice analysts make in migrating from the as-is to the to-be system?
19. How is project team review different from system review?
18. Why is project assessment important?
17. What are the major sources of change requests?
16. How is a problem report different from a change request?
15. Compare and contrast two major ways to provide system support.
14. What is the role of the operations group in the sys- tems development life cycle (SDLC)?
13. Compare and contrast three basic approaches to training.
12. How should you decide what items to include in your training plan?
11. Explain the three categories of adopters you are likely to encounter in any change management initiative.
2. What are the major components of a migration plan?
28. Create several guidelines for developing good doc- umentation. Hint: Think about behaviors that might lead to developing poor documentation.
25. What do you think are three common mistakes made by novice systems analysts in preparing user documentation?
24. What do you think are three common mistakes made by novice systems analysts during program- ming and testing?
23. What are the commonly used sources of documen- tation navigation controls? Which is the most important? Why?
22. What are the commonly used sources of documen- tation topics? Which is the most important? Why?
21. Describe the five types of documentation navigation controls.
20. Distinguish between these types of user documen- tation: reference documents, procedures manuals, and tutorials.
19. Are there any limitations to online documentation? Explain.
18. What are the reasons underlying the popularity of online documentation?
17. Explain the difference between user documentation and system documentation.
16. What is the difference between alpha testing and beta testing?
15, Discuss the role users play in testing.
14. Describe the five approaches to systems testing.
13. Compare and contrast system testing and accept- ance testing.
12. Compare and contrast black-box testing and white- box testing.
11. How are the test cases developed for integration tests?
10. Describe the four approaches to integration testing.
9. What is the primary goal of integration testing?
8. How are test cases developed for unit tests?
7. What is the primary goal of unit testing?
6. Explain how a test case relates to a test plan.
12. Draw a physical process model (just the processes and data stores) for the following CRUD matrix: Register Schedule Create Create Student Student Student Transcript Bill Student Data Store CRUD R R R Coune Data Store CRUD R. Billing Data Store CRUD CRUD Grade Data Store CRUD 1. In the new
7. Draw the new physical model on the basis of your suggested changes. How would performance be affected by your suggestions?
6. Describe how you would denormalize the model that you created in question
5. Jim Smith's dealership sells Fords, Hondas, and Toyotas. The dealership keeps information about each car manufacturer with whom it deals so that employ- ees can get in touch with manufacturers easily. The dealership staff also keeps information about the models of cars that the dealership
3. Using the web, review one of the products listed at the end of this exercise. What are the main features and functions of the software? In what companies has the database management system (DBMS) been implemented, and for what purposes? According to the information that you found, what are three
1. Using the web or other resources, identify a product What kinds of applications and users do they supthat can be classified as an end-user database and a product that can be classified as an enterprise database. How are the products described and marketed? port? In what kinds of situations
24. What are the key issues in deciding between using perfectly normalized databases and denormalized databases?
23. Why is it important to understand the initial and pro- jected size of a database during the design phase?
22. Describe what should be considered when estimat- ing the size of a database.
21. What is an index, and how can it improve the per- formance of a system?
20. What is the difference between interfile and intrafile clustering? Why are they used?
19. Describe several techniques that can improve per- formance of a database
18. Describe three situations that can be good candi- dates for denormalization..
17. What is the purpose of normalization?
16. What are the two dimensions in which to optimize a relational database?
15. Name three ways that null values in a database can be interpreted. Why is this problematic?
14. Describe the purpose of the primary and foreign keys
13. Describe the metadata associated with the physical ERD
12. What are the differences between the logical and physical ERDS?
9. How does the multidimensional database store data?
2. How are a file and a database different from each other?
1. Describe the two steps to data storage design.
2. Develop a program specification for Module 4.2.5 (Cal- culate Dealer Cast) in minicase I
12. Create pseudocode for the program specification that you wrote in Exercise L
11. Create pseudocode for the program specification that you wrote in Exercise K.
10. Create a program specification for module 1.1.3.1 on the structure chart in Figure 9-12. L. Create a program specification for module 1.2.3.4 on the structure chart in Figure 9-12.
5. Describe the differences in the meanings between the two structure charts shown. How have the sym- bols changed the meanings?6. Create a structure chart based on the data flow dia- grams (DFDs) that you created for the following exercises in Chapter 5: . Question D Question E Question F Question
3. In this case. AREI prints information from its data- base, which the real estate agent uses to help show the house to the buyer (a process beyond the scope of the system to be modeled). Other buyers seek. AREI's advice in finding a house that meets their needs. In this case, buyers complete a
2. Create a physical level 0 DFD for the following, and compare it with the logical model that you created in Chapter 5: A Real Estate Inc. (AREI) sells houses. People who want to sell their houses sign a contract with AREI and provide information on the house. This information is kept in a
21. Is program design more or less important when using event-driven languages such as Visual Basic?
20. What is the difference between structured program- ming and event-driven programming?
19. Describe the purpose of program specifications.
18. List and discuss three ways to ensure the overall quality of a structure chart.
17. What is meant by the characteristics of fan-in and fan-out? What are their roles in structure chart quality?
16. List the seven types of coupling. Why do the vari- ous types of coupling range from good to bad? Give an example of good coupling and an example of bad coupling.
15. What is meant by the characteristic of module cou- pling? What is its role in structure chart quality?
13. What is meant by the characteristic of module cohe- sion? What is its role in structure chart quality?
10. What does a data couple depict on a structure chart? A control couple?
4. What is a human-machine boundary? that is not included on the logical DFD?
3. What are some of the system-related data ele- ments and data stores that may be needed on the
2. What information is found on the physical DFD
1. What is the purpose of creating a logical process model and then a physical process model? physical DFD that were not a part of the logical DFD?
3. The menu structure for Holiday Travel Vehicle's exist- ing character-based system is shown here. Develop and prototype a new interface design for the system's func- tions, using a graphical user interface. Assume that the new system will need to include the same functions as those shown in the
20. In "Your Turn 8.7," you probably used menus. Design the navigation system again, using a com- mand language. T.
19. Draw an ISD for "Your Turn 8.7," using the opposite grammar order from your original design. (If you didn't do the "Your Turn" exercise, draw two ISDs, one in each grammar order.) Which is "best"? Why?

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