Software Engineering A Practitioner's Approach Software Engineering A Practitioner's Approach 8th Edition Roger Pressman - Solutions

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=+a program to analyze the maintenance process and determine appropriate maintainability metrics for the company.
=+ 9.7. As a software project manager in a company that specializes in the development of software for the offshore oil industry, you have been given the task of discovering the factors that affect the maintainability of the systems developed by your company. Suggest how you might set up
=+ 9.6. Explain why problems with support software might mean that an organization has to replace its legacy systems.
=+ 9.5. What are the strategic options for legacy system evolution? When would you normally replace all or part of a system rather than continue maintenance of the software?
=+subsystems can be re-engineered with minimal impact on the operations of the organization.
=+ 9.4. Some software subsystems are seen as “low quality, high business value.” Discuss how those
=+ 9.3. Explain why legacy systems should be thought of as sociotechnical systems rather than simply software systems that were developed using old technology.
=+9.2. From Figure 9.4, you can see that impact analysis is an important subprocess in the software evolution process. Using a diagram, suggest what activities might be involved in change impact analysis.
=+9.1. Explain how advances in technology can force a software subsystem to undergo change or run the risk of becoming useless.
=+8.10. A common approach to system testing is to test the more important functionalities of a system first, followed by the less important functionalities until the testing budget is exhausted. Discuss the ethics involved in identifying what “more important” means.
=+8.9. What are the benefits of involving users in release testing at an early stage in the testing process? Are there disadvantages in user involvement?
=+8.8. What do you understand by the term stress testing? Suggest how you might stress-test the Mentcare system.
=+ 8.7. Write a scenario that could be used to help design tests for the wilderness weather station system.
=+you think are the differences between testing such a system and testing software that is developed using an object-oriented language such as Java?
=+8.6. The Mentcare system is constructed by adapting an off-the-shelf information system. What do
=+8.5. What is regression testing? Explain how the use of automated tests and a testing framework such as JUnit simplifies regression testing.
=+the paragraph, replaces sequences of blank characters with a single blank character. Identify testing partitions for this example and derive a set of tests for the catWhiteSpace method.
=+ 8.4. You have been asked to test a method called catWhiteSpace in a “Paragraph” object that, within
=+all testing should be the responsibility of a separate team. Give arguments for and against testing by the developers themselves.
=+8.3. Some people argue that developers should not be involved in testing their own code but that
=+8.2. Testing is meant to show that a program does what it is intended to do. Why may testers not always know what a program is intended for?
=+8.1. Explain how the number of known defects remaining in a program at the time of delivery affects product support.
=+The software company has an opportunity to bid for a new contract, which would more than double its customer base. The new customer wishes to have some involvement in the configuration of the system. Explain why, in these circumstances, it might be a good idea for the company owning the software
=+7.10. A small company has developed a specialized software product that it configures specially for each customer. New customers usually have specific requirements to be incorporated into their system, and they pay for these to be developed and integrated with the product.
=+7.9. When code is integrated into a larger system, problems may surface. Explain how configuration management can be useful when handling such problems.
=+7.8. Draw a UML state diagram showing the possible state changes in either the group diary or the filling station system.
=+7.7. Draw a sequence diagram showing the interactions of objects in a group diary system when a group of people are arranging a meeting.
=+fuel required. When fuel delivery is complete and the pump hose is returned to its holster, the driver’s credit card account is debited with the cost of the fuel taken. The credit card is returned after debiting. If the card is invalid, the pump returns it before fuel is dispensed.
=+■ A filling station (gas station) is to be set up for fully automated operation. Drivers swipe their credit card through a reader connected to the pump; the card is verified by communication with a credit company computer, and a fuel limit is established. The driver may then take the
=+■ A group diary and time management system is intended to support the timetabling of meetings and appointments across a group of co-workers. When an appointment is to be made that involves a number of people, the system finds a common slot in each of their diaries and arranges the appointment
=+7.6. Identify possible objects in the following systems and develop an object-oriented design for them. You may make any reasonable assumptions about the systems when deriving the design.
=+7.5. Develop the design of the weather station to show the interaction between the data collection subsystem and the instruments that collect weather data. Use sequence diagrams to show this interaction.
=+7.4. A shape can be classified into 2-D and 3-D. Design an inheritance hierarchy that will include different kinds of 2-D and 3-D shapes. Make sure you identify at least five other classes of shapes.
=+7.3. Using the UML graphical notation for object classes, design the following object classes, identifying attributes and operations. Use your own experience to decide on the attributes and operations that should be associated with these objects.■ a messaging system on a mobile (cell) phone
=+7.2. Assume that the Mentcare system is being developed using an object-oriented approach. Draw a use case diagram showing at least six possible use cases for this system.
=+7.1. Using the tabular notation shown in Figure 7.3, specify the weather station use cases for Report status and Reconfigure. You should make reasonable assumptions about the functionality that is required here.
=+company would then implement the system. What might be the difficulties of establishing such a profession?
=+6.10. Should there be a separate profession of ’software architect’ whose role is to work independently with a customer to design the software system architecture? A separate software
=+6.9. Using the basic model of an information system, as presented in Figure 6.18, suggest the components that might be part of an information system that allows users to view box office events, available tickets and prices, and to eventually buy tickets.
=+ 6.8. Using the generic model of a language processing system presented here, design the architecture of a system that accepts natural language commands and translates these into database queries in a language such as SQL.
=+becomes available. The company has several existing asset databases that should be integrated through this system. Design a layered architecture for this asset management system based on the generic information system architecture shown in Figure 6.18.
=+ 6.7. An information system is to be developed to maintain information about assets owned by a utility company such as buildings, vehicles, and equipment. It is intended that this will ben updatable by staff working in the field using mobile devices as new asset information
=+ 6.6. Suggest an architecture for a system (such as iTunes) that is used to sell and distribute music on the Internet. What Architectural patterns are the basis for your proposed architecture?
=+drones can be remotely controlled by human operators. Explain how multiple architectural patterns can fit together to help build this kind of system.
=+ 6.5. A software system will be built to allow drones to autonomously herd cattle in farms. These
=+A robot floor-cleaner that is intended to clean relatively clear spaces such as corridors. The cleaner must be able to sense walls and other obstructions.
=+A computer-controlled video conferencing system that allows video, audio, and computer data to be visible to several participants at the same time.
=+A ticket machine used by passengers at a railway station.
=+ 6.4. Draw diagrams showing a conceptual view and a process view of the architectures of the following systems:
=+ 6.3. Performance and security may pose to be conflicting non-functional requirements when architecting software systems. Make an argument in support of this statement.
=+justify the hiring of a system architect for a new project. Write a list of bullet points setting out the key points in your presentation in which you explain the importance of software architecture.
=+ 6.2. You have been asked to prepare and deliver a presentation to a nontechnical manager to
=+6.1. When describing a system, explain why you may have to start the design of the system architecture before the requirements specification is complete.
=+1.10. The “Drone Revolution” is currently being debated and discussed all over the world. Drones are unmanned flying machines that are built and equipped with various kinds of software systems that allow them to see, hear, and act. Discuss some of the societal challenges of building such
=+1.9. For each of the clauses in the ACM/IEEE Code of Ethics shown in Figure 1.4, propose an appropriate example that illustrates that clause.
=+1.8. Noncertified individuals are still allowed to practice software engineering. Discuss some of the possible drawbacks of this.
=+1.7. Explain how electronic connectivity between various development teams can support software engineering activities.
=+1.6. Explain why the fundamental software engineering principles of process, dependability, requirements management, and reuse are relevant to all types of software system.
=+1.5. Based on your own knowledge of some of the application types discussed in Section 1.1.2, explain, with examples, why different application types require specialized software engineering techniques to support their design and development.
=+1.4. Software engineering is not only concerned with issues like system heterogeneity, business and social change, trust, and security, but also with ethical issues affecting the domain. Give some examples of ethical issues that have an impact on the software engineering domain.
=+1.3. Briefly discuss why it is usually cheaper in the long run to use software engineering methods and techniques for software systems.
=+1.2. What is the most important difference between generic software product development and custom software development? What might this mean in practice for users of generic software products?
=+1.1. Explain why professional software that is developed for a customer is not simply the programs that have been developed and delivered.
=+What emerging trends can be expected to have a signifi-cant influence on software engineering practice in the next decade?..
=+36.4. Explore the inventory analysis checklist presented at the SEPA website and attempt to develop a quantitative software rating system that could be applied to existing programs in an effort to pick candidate programs for reengineering. Your system should extend beyond
=+c. Discuss your experiences in class.
=+a. Perform all software engineering tasks including a brief walkthrough (but not with the author of the program).b. Keep careful track of all errors encountered during testing.
=+by your instructor) in the program you have received.
=+36.3. Your instructor will select one of the programs that everyone in the class has devel-oped during this course. Exchange your program randomly with someone else in the class Do not explain or walk through the program. Now, implement an enhancement (specified
=+36.2. Do some research on the efficacy of business process reengineering. Present pro and con arguments for this approach.
=+36.1. Consider any job that you've held in the last five years. Describe the business process in which you played a part. Use the BPR model described in Section 36.4.2 to recommend changes to the process in an effort to make it more efficient.
=+equivalence of interfaces is relevant here?
=+the economic analysis presented in Section 36.9.
=+36.5. Suggest alternatives to paper and ink or conventional electronic documentation that could serve as the basis for document restructuring. (Hint: Think of new descriptive tech-nologies that could be used to communicate the intent of the software.)
=+36.6. Some people believe that artificial intelligence technology will increase the abstrac-tion level of the reverse engineering process. Do some research on this subject (i.e ., the use of AI for reverse engineering), and write a brief paper that takes a stand on this point.
=+What is software process improvement and how can it be used to improve the state of software engineering practice?
=+36.12. How would you determine P, through P, in the cost-benefit model presented in Section 36.9?
=+discuss case studies of mainframe to client-server reengineering. Present a summary.
=+36.11. Research the literature and/or Internet sources to find one or more papers that
=+36.10. There is a subtle difference between restructuring and forward engineering What is it?
=+36.9. Using information obtained via the Web, present characteristics of three reverse engi- neering tools to your class.
=+36.8. Why must interactivity increase if completeness is to increase?
=+36.7. Why is completeness difficult to achieve as abstraction level increases?
=+What is meant by a "replacement," or more precisely, what concept of
=+What is a compact description of the behavioral response of the system to these actions?
=+35.6. Describe the difference between risk components and risk drivers.
=+35.5. You're the project manager for a major software company. You've been asked to lead a team that's developing "next generation" word-processing software. Create a risk table for the project.
=+to do a wide range of edits to the digitized video. The result can then be output to DVD or other media. Do a small amount of research on systems of this type and then make a list of technology risks that you would face as you begin a project of this type.
=+35.4. You've been asked to build software to support a low-cost video editing system. The system accepts digital video as input, stores the video on disk, and then allows the user
=+35.3. Add three additional questions or topics to each of the risk item checklists presented at the SEPA website.
=+35.2. Describe the difference between "known risks" and "predictable risks."
=+35.1. Provide five examples from other fields that illustrate the problems associated with a reactive risk strategy.
=+11. Do all customer/user constituencies agree on the importance of the proj-ect and on the requirements for the system/product to be built?
=+35.7. Develop a risk mitigation strategy and specific risk mitigation activities for three of the risks noted in Figure 35.2.
=+35.8. Develop a risk monitoring strategy and specific risk monitoring activities for three of the risks noted in Figure 35.2. Be sure to identify the factors that you'll be monitoring to
=+determine whether the risk is becoming more or less likely.
=+What are the basic actions (e.g ., keystrokes and mouse clicks) that the in-terface must process?
=+35.14. Describe five software application areas in which software safety and hazard analysis would be a major concern.
=+35.13. Can you think of a situation in which a high-probability, high-impact risk would not be considered as part of your RMMM plan?
=+32.3. What is an indirect measure, and why are such measures common in software metrics work?

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Software Engineering A Practitioner's Approach Software Engineering A Practitioner's Approach 8th Edition Roger Pressman - Solutions

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