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computer science
systems analysis design
Systems Analysis and Design in a Changing World 7th edition John W. Satzinger, Robert B. Jackson, Stephen D. Burd - Solutions
How can system sequence diagrams help in the design of the user interface?
What is storyboarding?
Describe three major decisions that must be made early in the project that directly affect user interface design.
What is the difference between a combo box and a list box?
What are two major considerations when designing the user interface for browser-based systems?
What does it mean for an application to be mobile responsive?
What is meant by the “fat finger” problem? How does it affect user-interface design?
What is an action bar? Have you noticed one on an app? Describe it.
What is the difference between a summary report and an exception report?
What does drill down mean? How is it displayed?
1. Consider the contents of this textbook as a template for CPI’s database content. Draw a class diagram that represents the book and its key content elements. Expand your diagram to include related product content, such as a set of PowerPoint slides, an electronic book formatted as a Web site or
In Chapter 4, you developed a domain model class diagram. Using your previous solution or one provided to you by your instructor, update your domain model class diagram with any additional problem domain classes, new associations, or additional attributes that you have discovered as you worked
Assume that RMO will begin by 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 add two new
In Chapter 4, you developed a domain model class diagram. Using your previous solution or one provided to you by your instructor, update your domain model class diagram with any additional problem domain classes, new associations, or additional attributes that you have discovered as you worked
What does SQL stand for and what is its purpose?
In Chapter 4, you developed a domain model class diagram. Using your previous solution or one provided to you by your instructor, update your domain model class diagram with any additional problem domain classes, new associations, or additional attributes that you have discovered as you worked
Why are databases the preferred method of storing data used by an information system?
What are the responsibilities of a data administrator?
Figure 9-26 illustrates a partial class diagram for a property management company. Using the data in the class diagram, create a database schema.
What are the responsibilities of a database administrator?
Given the database table in Figure 9-27 of university course and sections offered, normalize the table so that it is in third normal form. Hint: Look for functional dependencies.
With respect to relational databases, briefly define the terms row and attribute value.
Given the database table in Figure 9-28 of employees and their employers, normalize the tablea so that is in third normal form. Hint: Look for functional dependencies.
Describe the steps used to transform a domain class diagram into a relational database schema.
What are human-interface objects? Give some examples.
Describe each of the four metaphors for user interface design.
What is meant by usability and why is it important for user-interface design?
What is meant by the user experience? How does the user interface relate to it?
What two types of input controls are included in groups?
How or why is interoperability such an important consideration in designing and deploying a modern system?
How does the objective of systems analysis differ from the objective of systems design?
Discuss the technology architecture and deployment environment for information systems at your work or school with a knowledgeable person. What are the key elements of the environment? If you were to implement a new system for the organization, which of the environmental elements could you change?
Search the Web for information about Pretty Good Privacy. What is it? How does it work? Find information about a passphrase. What does it mean? Start your research at http://www.pgpi.or.
Is the Internet the same thing as the World Wide Web? Why or why not?
Refer to earlier chapters for the functional details of this application. Large delivery companies like UPS and FedEx use highly customized portable hardware devices to enable their drivers to track pickups and deliveries and to inform drivers of routing changes and other events to which they must
Describe the parts of a URL.
Reexamine the decision made in the RMO example at the end of the chapter to make the CSMS the system of record for inventory data. What would be the impact of deciding that the SCM system is the system of record for inventory data? How would Figure 7-21 change? Tradeshow Inventory (copy) Nightly
Based on the discussion of hardware, Internet, and software technology trends in this chapter, it should be clear to you that the Real-Time Glucose Monitoring (RTGM) system is an interesting combination of older and newer technology. Except for the interface to software and data on mobile phones,
Compare and contrast application and system software. List a few specific examples of each type.
Which is more secure, an app or a Web-based application? How or why?
List three types of embedded software on a typical smartphone. Of what benefit is embedded software to an application software developer?
What is the role of protocols in modern software and systems?
List and briefly describe at least three commonly used Web protocols.
Briefly define the terms technology architecture and application architecture. How are they different? How are they interdependent?
Describe software as a service. What features distinguish it from application software installed on a personal computing device?
How or why are Web services important to designing and constructing modern application software? What decisions does a system designer need to make concerning Web services?
In what way(s) is three-layer architecture different from client/server architecture? In what way(s) is it similar?
List and briefly describe the function of each layer of three-layer architecture. On what type of computing device is each layer typically deployed?
List and briefly describe three common types of architectural diagrams developed and used by system designers.
Describe the key questions that should be asked and answered when a system designer is describing the environment of a system.
How are use cases and related information used by designers when designing application components?
What is a system of record? Under what conditions does a designer need to declare one system to be the system of record for a specific type of data? Under what conditions can a system designer avoid doing so?
One of the key use cases for the multiple listing service system is Create new listing, where the Realtor enters all the important information about a new listing he or she has obtained. Consider the information that must be entered when creating a new listing, and list the dialog steps that are
Why is interface design often referred to as dialog design?
Visit some Web sites and then identify all the controls used for navigation and input. Are they all obvious? Discuss some differences in visibility and affordance among the controls.
Imagine resort security with a large, wide-screen monitor tracking traveler activities. Design a main screen that includes multiple locations, paths and roads, traveler location and status, messages traveling from traveler to traveler, and other features that security should monitor. Create a
What are some examples of the physical, perceptual, and conceptual aspects of the user interface?
Review the case description and your solution for the Web scenario of the use case Request package pickup from Chapter 5. Then, using a presentation tool, such as Microsoft PowerPoint or Apple Keynote, create a storyboard of the Web pages necessary to support the use case. The case description
What are the four metaphors used to describe human-computer interaction?
A desktop on the screen is an example of which of the metaphors used to describe human-computer interaction?
What is the technique that shows a sequence of sketches of the display screen during a dialogue?
What are some of the input controls that can be used to select an item from a list?
Consider the differences in physical characteristics among a current smartphone, a current tablet, and a current laptop computer with a 15-inch or larger screen. Also consider the student-facing Web applications you use at your college to access course learning materials, register for classes, and
Complete the following tasks:1. Develop a simple network diagram that includes all four SBRU subsystems (resort relations, student booking, accounting/finance, and social networking) assuming that all server-side hardware and software resides at the SBRU home office.2. List the advantages and
A medium-sized engineering firm has three separate engineering offices. In each office, a local LAN supports all the engineers in that office. Due to the requirement for collaboration among the offices, all the computers should be able to view and update the data from any of the three offices. In
Figure 5-15 shows a set of use cases for the patient and physician actors. Answer the following questions and/or complete the following exercises:1. Which use do cases include which other use cases? Modify the diagram to incorporate included relationships.2. Consider the use cases View/respond to
List the parts or compartments of a fully developed use case description.
Compare/contrast precondition and postcondition.
What are the two ways to show a returned value on a sequence diagram?
What is the symbol for a true/false condition on a sequence diagram?
Develop an SSD based on the narrative or your activity diagram for problem 2.
What are the inputs to systems design? What are the outputs?
Compare and contrast Internet backbone networks with local area networks.
Compare/contrast postcondition and exception condition.
Compare/contrast business process and flow of activities for a use case. Explain how an activity diagram can be used to model both.
What is the purpose of a SSD? What symbols are used in a SSD?
What are the steps required to develop an SSD?
Write a complete SSD message from the actor to the system, with the actor asking the system to begin the process for updating information about a specific product.
What is the name of the sequence diagram symbol used to represent the extension of an object throughout the duration of a use case?
What are two ways to show repetition on a sequence diagram?
What are the three types of frames used on a sequence diagram?
What are the parameters of a message?
What are the words included in the CRUD acronym?
What is the purpose of using the CRUD technique?
Law enforcement agencies thrive on information. In previous eras, it was sufficient to receive information through the police dispatch radio. Today, much more than voice based information is required. Officers often need to check vehicle registrations, personal identities, outstanding warrants, mug
The Community Board of Realtors’ Multiple Listing Service (MLS) will be a Web-based application with extensions to allow wireless interaction between the agents and their customers using cell phones, tablets, and other portable devices. Review the functional and nonfunctional requirements you
The SBRU information system includes four subsystems: Resort relations, Student booking, Accounting and finance, and Social networking. The first three are purely Web applications, so access to those occurs through an Internet connection to a Web server at the SBRU home office. However, the Social
List and briefly describe each design activity.
1. What kind of fraud is possible in this scenario? By the customer? By the truck driver? By collaboration between system users? What steps should Bill take to minimize the opportunity for fraud?2. What kind of access controls should be put in place? For the customer? For the truck driver? For
Why is the environment described while other key design elements such as the user interface and database are designed?
Answer these questions in light of HIPPA requirements:Does HIPAA apply to the RTGM system? Why or why not?How should the system ensure data security during transmission between a patient’s mobile device(s) and servers?Consider the data storage issues related to a patient’s mobile device and the
What models are developed during each design activity?
Examine the privacy policy (or privacy section of the user agreement) for a would online service provider such as Gmail, eBay, or Facebook. What are the implications of the privacy guarantees for controls and security? Briefly describe cost benefit trade-off of the guarantees.
On a project that uses iterations to develop the system, in which iteration does systems design begin? Explain why.
Look on the Web site you use to access your bank account(s). What kinds of security and controls are integrated into the system?
What are the key elements of the environment described during design activities?
List at least three examples of application components.
Why is the singular form of the term user interface usually a misnomer?
Designing security and controls impacts the design of which other elements?
Compare and contrast integrity controls and security controls. Why isn’t there a separate activity to design them?
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