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computer sciences
systems analysis and design
Systems analysis and design in a changing world 5th edition John W. Satzinger, Robert B. Jackson, Stephen D. Burd - Solutions
Develop a deployment diagram for the network mentioned in the previous problem. The new Benefits for Employees, Spouses, and Dependents (BESD) system will be used primarily by the human resource department and will contain confidential information. Consequently, it will be built as a totally
Develop a component diagram for the following description of a Face book application.
Develop a deployment diagram for the following description of a Face book application. The Face book platform is available for entrepreneurs to develop applications for use among all Face book users. A new application is being written that allows Face book users to send gifts and greeting cards to
In the chapter we developed a first-cut DCD, a set of CRC cards, and final DCD for the Process new order use case for RMO. Create the same three drawings for the Look up item availability use case.
In Chapter 7, Problem 1, you developed a problem domain class diagram for a library system. Convert that class diagram to a first-cut DCD. Update the attributes and add navigation visibility as much as possible, using the rules explained in the chapter.
For the previous problem, use the DCD and identify a set of CRC cards that would be used for the Check out book use case. You might want to get a set of index cards and actually do a design session. Either scan your cards or type the information to give to your instructor. Once you have identified
In Chapter 7, Problem 3, you developed a problem domain class diagram for a dentist office system. Convert your class diagram to a first-cut DCD. Update the attributes and add navigation visibility as much as possible, using the rules explained in this chapter.
For the previous problem, use the DCD and identify a set of CRC cards that would be used for the Patient visits dentist use case. Assume that the visit is a simple checkup and that no other procedures will be performed. In other words, entering specific procedures is done with a different use case.
Problems 7 and 8 in Chapter 7 describe a car insurance system and identify various problem domain classes. Using the information in those problems, develop a first-cut DCD. Update the attributes and add navigation visibility as much as possible, using the rules explained in the chapter.
For the previous problem, use the DCD and identify a set of CRC cards that would support the Add new vehicle to existing policy use case. You might want to get a set of index cards and actually do a design session. Either scan your cards or type the information to give to your instructor. Once you
In Chapter 7, you developed a use case diagram, a class diagram, and a system sequence diagram for the real estate company’s use cases. First develop a three-layer architectural solution, which allows agents and other clients to browse the database via the Internet. Internal updates should be
In Chapter 7 you developed a use case diagram, a class diagram, and a system sequence diagram for the use cases Recording a traffic ticket and Scheduling a court date. Based on those solutions or others provided by your teacher, develop a first-cut DCD by type casting the attributes and adding
In Chapter 7 you developed a use case diagram, a class diagram, and a system sequence diagram for the use cases Rent movies and Return movies. Based on those solutions or others provided by your teacher, develop a first-cut DCD by type casting the attributes and adding navigation visibility. Then,
First, develop a three-layer architectural design of the book exchange system. In Chapter 7 you developed a use case diagram, a class diagram, and a system sequence diagram for the use cases add a seller and Record a book order. Based on those solutions or others provided by your teacher, develop a
This chapter presented the solutions for two use cases for RMO Look up item availability and Process new order. Design three layer solutions for two more use cases, Create new order and Record order fulfillment. Update the design class diagram for the problem domain classes with method signatures
In Chapter 7, you developed a use case diagram, a domain model class diagram, and detailed documentation for three use cases. In your detailed documentation, you generated a fully developed specification and a system sequence diagram. Based on that information and the guidelines in this chapter
What is meant by the term use case realization?
What are the benefits of knowing and using design patterns?
What is the contribution to systems development from the Gang of Four?
What are the five components of a standard design pattern definition?
List five elements included in a sequence diagram.
How does a sequence diagram differ from a system sequence diagram?
What is the difference between doing design with CRC cards and designing with sequence diagrams?
Explain the syntax of a message on a sequence diagram.
What is the purpose of the first cut sequence diagram? What kinds of classes are included?
What is the purpose of the use case controller?
What is meant by an activation lifeline? How is it used on a sequence diagram?
Describe the three major steps in developing the set of messages for the first cut sequence diagram.
What assumptions do developers usually make while doing the initial use case realization?
When doing multilayer design, what is the order in which layers should be designed? Why?
What is the principle of separation of responsibilities?
Explain the two methods of accessing the database to create new objects in memory.
What symbols are used in a communication diagram, and what do they mean?
Explain the components of message syntax in a communication diagram. How does this syntax differ from that of a sequence diagram message?
Explain the method signature syntax on design classes.
What is meant by a dependency relationship? How is it indicated on a drawing?
List the major implementation responsibilities of each layer of a three-layer design.
What is the purpose of the adapter pattern?
What common element is found in the singleton pattern and the factory pattern? What is the basic difference between the two?
What common programming construct is based on the observer pattern?
Figure is a system sequence diagram for the use case Check out books in the university library system. Do the following:a. Develop a first cut sequence diagram, which only includes the actor and problem domain classes.b. Add the view layer classes and the data access classes to your diagram from
Figure is an activity diagram for the use case Return books in the university library system. Do the following:a. Develop a first-cut sequence diagram, which only includes the actor and problem domain classes.b. Add the view layer classes and the data access classes to your diagram from part a.c.
Figure is a fully developed use case description for the use case Receive new book in the university library system. Do the following:a. Develop a first-cut sequence diagram, which only includes the actor and problem domain classes.b. Add the view layer classes and the data access classes to your
Integrate the design class diagram solutions that you developed for exercises 1, 2, and 3 into a single design class diagram.Exercises 5, 6, 7, and 8 are based on the solutions you developed for “Thinking Critically” exercises 3 and 4 in Chapter 7, which describe a dental clinic system.
Figure is a system sequence diagram for the use case Record dental procedure in the dental clinic system. Do the following:a. Develop a first-cut sequence diagram, which only includes the actor and problem domain classes.b. Add the view layer classes and the data access classes to your diagram from
Figure is an activity diagram for the use case Enter new patient information in the dental clinic system. Do the following:a. Develop a first-cut sequence diagram, which only includes the actor and problem domain classes.b. Add the view layer classes and the data access classes to your diagram from
Figure is a fully developed use case description for the use case Print patient invoices in the dental clinic system. Do the following:a. Develop a first-cut sequence diagram, which only includes the actor and problem domain classes.b. Add the view layer classes and the data access classes to your
Integrate the design class diagram solutions that you developed for exercises 5, 6, and 7 into a single design class diagram.
In Chapter 7, “Thinking Critically” exercises 7, 8, and 10, you developed a system sequence diagram for Add a new vehicle to an existing policy. You were also provided a list of classes. Based on the SSD you created, develop a detailed communication diagram. Include only problem domain classes.
In Figure the package on the left contains the classes in a payroll system. The package on the right is a payroll tax subsystem. What technique would you use to integrate the tax subsystem into the payroll system? Show how you would solve the problem by modifying the existing classes (in either
The right side of Figure shows a system that simulates the manufacture of computer chips. The equations in the simulation system are based on statistical probabilities of failures in the manufacturing. The package on the left illustrates a window (and its associated class definition) that will
Review the observer pattern description in Figure. Find the errors in the diagram. After you have identified the errors, state how you would fixthem.
In Chapter 7, you developed a use case diagram, a fully developed use case description or activity diagram, and a system sequence diagram for the real estate company’s use cases. In Chapter 11, you developed a three-layer design and a set of CRC cards for a particular use case. Based on those
In Chapter 7, you developed a use case diagram, a fully developed use case description, a system sequence diagram, and a state chart for the use cases Recording a traffic ticket and Scheduling a court date. In Chapter 11 you developed a first-cut DCD and a set of CRC cards for each use case. Based
In Chapter 7, you developed a use case diagram, an activity diagram, and a system sequence diagram for the use cases Rent movies and Return movies. In Chapter 11 you developed a first-cut DCD and sets of CRC cards. Based on those solutions or others provided by your teacher, and the problem domain
In Chapter 7, you developed a use case diagram, a fully developed use case description, and a system sequence diagram for the use cases add a seller and Record a book order. In Chapter 11 you developed a first cut DCD and a set of CRC cards. Based on those solutions or others provided by your
This chapter presented the solutions for the Cancel an order use cases. It also presented a partial solution for Create new phone order. Complete the solution for the Create new phone order use case by adding view and data layer classes to the sequence diagrams. In Chapter 11 you developed
In Chapter 7, you developed a use case diagram, a domain model class diagram, and detailed documentation for three use cases. In Chapter 11 you developed a three layer architectural solution and CRC cards. Develop three-layer sequence diagrams for those same use cases. Update the design class
List the components of a DBMS and describe the function of each.
What is a database schema? What information does it contain?
Why have databases become the preferred method of storing data used by an information system?
List four different types of database models and DBMSs. Which are in common uses today?
With respect to relational databases, briefly define the terms row and field.
What is a primary key? Are duplicate primary keys allowed? Why or why not?
What is the difference between a natural key and an invented key? Which type is most commonly used in business information processing?
What is a foreign key? Why are foreign keys used or required in a relational database? Are duplicate foreign key values allowed? Why or why not?
Describe the steps used to transform an ERD into a relational database schema.
How is a one-to-many relationship on an ERD represented in a relational database?
What is referential integrity? Describe how it is enforced when a new foreign key value is created, when a row containing a primary key is deleted, and when a primary key value is changed.
What types of data (or fields) should never be stored more than once in a relational database? What types of data (or fields) usually must be stored more than once in a relational database?
What is relational database normalization? Why is a database schema in third normal form considered to be of higher quality than a UN normalized database schema?
Describe the process of relational database normalization. Which normal forms rely on the definition of functional dependency?
Describe the steps used to transform a class diagram into an object database schema.
What is the difference between a persistent class and a transient class? Provide at least one example of each class type.
What is an object identifier? Why are object identifiers required in an object database?
How is a one-to-many relationship on a class diagram represented in an object database?
How is a many-to-many relationship without attributes represented in an object database?
What is an association class? How is association classes used to represent many-to-many relationships in an object database?
Describe the two ways in which a generalization relationship can be represented in an object database.
Does an object database require key fields or attributes? Why or why not?
How are classes and relationships on a class diagram represented in a relational database?
What is the difference between a primitive data type and a complex data type?
What are the advantages of having an RDBMS provide complex data types?
Why might all or part of a database need to be replicated in multiple locations?
Briefly describe the following distributed database architectures: replicated database servers, partitioned database servers, and federated database servers. What are the comparative advantages of each?
What additional database management complexities are introduced when database contents are replicated in multiple locations?
The Universal Product Code (UPC) is a bar-coded number that uniquely identifies many products sold in the United States. For example, all copies of this textbook sold in the United States have the same UPC bar code on the back cover. Now consider how the design of the RMO database might change if
Assume that RMO plans to change its pricing policy. If two or more catalogs are in circulation at the same time, then all item prices in the catalogs must be the same. Prices can still rise or fall over time and those changes will be recorded in the database and printed in newly issued catalogs.
Assume that RMO will begin asking a random sample of customers who order by telephone about purchases made from competitors. RMO will give customers a 15 percent discount on their current order in exchange for answering a few questions. To store and use this information, RMO will expand the ERD and
Assume that RMO is developing its database using object-oriented methods. Assume further that the database designers want to make some changes to the class diagram in Figure (a). Specifically, they want to make Product Item an abstract parent class from which more specific product classes are
Assume that RMO will use a relational database, as shown in Figure (a). Assume further that a new catalog group located in Milan, Italy, will now create and maintain the catalog. To minimize networking costs, the catalog group will have a dedicated database server attached to its LAN. Develop a
Revisit the issues raised in the Nationwide Books (NB) case at the beginning of the chapter. Should NB adopt an ODBMS for the new Web-based ordering system? Why or why not?
This chapter did not discuss network databases in detail, but some database textbooks discuss them. Investigate the network database model and its use of pointers to represent relationships among record types. In what ways is the use of pointers in a network database similar to the use of object
Access the Object Database Management Group Web site (www.odmg.org) and gather information on the current status of the ODMG standard.
Visit the Web site of an online catalog vendor similar to RMO (such as www.llbean.com) or an online vendor of computers and related merchandise (such as www.cdw.com). Browse the online catalog and note the various types of information contained therein. Construct a list of complex data types that
1. Develop a relational database schema in 3NF.2. Develop an ODL database schema.Refer to the description of the Real Estate Multiple Listing Service system in the Chapter 5 case studies. Using the ERD and domain model class diagram for that system as a starting point:
1. Develop a relational database schema in 3NF.2. Develop an ODL database schema.Refer to the description of the State Patrol ticket processing system in the Chapter 5 case studies. Using the ERD and domain model class diagram for that system as a starting point:
1. Consider the contents of this textbook as a template for CPI’s database content. Draw an ERD and class diagram that represents the book and its key content elements. Which diagram is a more accurate representation of book content? Expand your diagrams to include related product content
1. Update the RMO relational database design in Figure based on the changes that you made to the ERD. Be sure that all your database tables are in 3NF.2. Write ODL schema specifications for all new classes and relationships that you added to the class diagram.3. Verify that the new classes and
1. Develop a relational database schema in 3NF.2. Develop an ODL database schema.3. Discuss the pros and cons of distributed database architecture. Which architectural approach (or combination of approaches) should Reliable employ in their new system after it is fully implemented?Use the ERD that
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