Project Scope Statement and Cost Benefit Analysis for Petrie’s Electronics

* 1. Look over the scope statement (PE Figure 4-1). If you were an employee at Petrie’s Electronics, would you want to work on this project? Why or why not? The project scope statement is to describe a high level overview of the project size, duration, and outcomes as a summary of the baseline project plan (BPP) information. A project scope statement and a baseline project plan are created during project initiation and planning * 2. If you were part of the management team at Petrie’s Electronics, would you approve the project outlined in the scope statement in PE Figure 4-1?

What changes, if any, need to be made to the document? * 3. Identify a preliminary set of tangible and intangible costs you think would occur for this project and the system it describes. What intangible benefits do you anticipate for the system? Cost Benefit Analysis Spreadsheet Alternative C Chapter 5 Electronics Case * 1. What do you think are the sources of the information Jim and his team collected? How do you think they collected all of that information? * 3. If you were looking for alternative approaches for Petrie’s customer loyalty program, where would you look for information?

Where would you start? How would you know when you were done? * 5. Why shouldn’t Petrie’s staff build their own unique system in-house? Chapter 6 Electronics Case * 1. Are the DFDs in PE Figures 6-1 and 6-2 balanced? Show that they are, or are not. If they are not balanced, how can they be fixed? * 5. Why is it important for the team to create DFDs if they are not going to write the actual system code themselves? Chapter 7 Electronics Case * 2. Again, review the DFDs you developed for the Petrie’s Electronics case (or those given to you by your instructor).

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Use these DFDs to identify the attributes of each of the six entities listed in this case plus any additional entities identified in your answer to Question 1. Write an unambiguous definition for each attribute. Then, redraw PE Figure 7-1 by placing the six (and additional) entities in this case on the diagram along with their associated attributes. * 3. Using your answer to Question 2, designate which attribute or attributes form the identifier for each entity type. Explain why you chose each identifier. * 4.

Using your answer to Question 3, draw the relationships between entity types needed by the system. Remember, a relationship is needed only if the system wants data about associated entity instances. Give a meaningful name to each relationship. Specify cardinalities for each relationship and explain how you decided on each minimum and maximum cardinality at each end of each relationship. State any assumptions you made if the Petrie’s Electronics cases you have read so far and the answers to questions in these cases do not provide the evidence to justify the cardinalities you choose.

Redraw your final E-R diagram in Microsoft Visio. Chapter 8 Electronics Case * 1. In the questions associated with the Petrie’s Electronics case at the end of Chapter 7, you were asked to modify the E-R diagram given in PE Figure 7-1 to include any other entities and the attributes you identified from the Petrie’s case. Review your answers to these questions, and add any additional needed relations to the document in PE Figure 9-1. * 5. Complete all table and field definitions for the Petrie’s Electronics case database using Microsoft Access.

Besides the decisions you have made in answers to the preceding questions, fill in all other field definition parameters for each field of each table. Chapter 10 Electronics Case * 1. Why don’t information systems projects work out as planned? What causes the differences between the plan and reality? * 5. Information systems development projects are said to fail if they are late, go over budget, or do not contain all of the functionality they were designed to have. Is the customer loyalty program a failure? Justify your answer. If not, how can failure be prevented? Is it important to avert failure? Why or why not? Use Case Diagram (CRM)

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