1.Describe the process of designing interfaces and dialogues. What deliverables are produced from this process? Are these deliverables the same for all types of system projects? Why or why not? 2. List and describe the functional capabilities needed in an interface for effective entry and navigation. Which capabilities are most important? Why? Will this be […]

1.Describe the general guidelines for structuring data-entry fields. Can you think of any instances when it would be appropriate to violate these guidelines? 2. Describe four types of data errors. 3. Describe the types of system feedback. Is any form of feedback more important than the others? Why or why not? 4. Describe the general

11-5. Tax Rate Suppose that LilyMac Photography expects EBIT to be approximately $200,000per year for the foreseeable future, and that it has 1,000 10-year, 9 percent annual couponbonds outstanding. What would the appropriate tax rate be for use in the calculation ofthe debt component of LilyMac’s WACC?12-1. After-Tax Cash Flow from Sale of Assets Suppose

1What steps do you need to follow when designing a dialogue? Of the guidelines for designing a dialogue, which is most important? Why? 2. Describe what is meant by a cookie crumb. How do these help prevent users from getting lost? 3. Describe why you might want to use lightweight graphics on some Web pages

1.Why is it especially important to eliminate dataentryerrors on an electronic commerceWeb site? 2. How can template-based HTML help to make a large electronic commerce site more maintainable? 3. Imagine that you are to design a budget report for a colleague at work using a spreadsheet package. Following the prototyping discussed in the chapter (see

1.Suppose you were designing a default value for the marriage status field in a student record at your university. What possible values would you consider and why? How would the default value change depending on other factors, such as type of student (undergraduate, graduate, professional)? 2. What are the four approaches to installation? Which is

1.Model a set of typical family relationships— spouse, father, and mother—in a single 3NF relation. Also include nonkey attributes name and birth date. Assume that each person has only one spouse, one father, and one mother. Show foreign keys with dashed underlining. 2. Many database management systems offer the ability to enforce referential integrity. Why

1.Discuss what additional information should be collected during requirements analysis that is needed for file and database design and that is not especially useful for earlier phases of systems development. 2.Find out what database management systems are available at your university for student use. Investigate which data types these DBMSs support. Compare these DBMSs based

1. Study your answer to Question 1. Verify that the relations you say represent the Petrie’s Electronics database are in third normal form. If they are, explain why. If they are not, change them so that they are. 2. The E-R diagram you developed in questions in the Petrie’s Electronics case at the end of

1.Using your answer to Question 2, select data types, formats, and lengths for each attribute of each relation. Use the data types and formats supported by Microsoft Access. What data type should be used for non intelligent primary keys? 2. Complete all table and field definitions for the Petrie’s Electronics case database using Microsoft Access.