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Explain why prototyping model is an adaptable model that can support both change avoidance and change tolerance activities. How does it differ from spiral model which in practice has not been widely used. Suggest why this might the case.
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From Figure 9.4, you can see that impact analysis is an important sub-process in the software evolution process. Using a diagram, suggest what activities might be involved in change
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You are responsible for the design of a communications switch that has to provide 24/7 availability, but which is not safety-critical. Giving reasons for your answer, suggest an architectural style that might be used for this system.
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Explain why deploying software as a service can reduce the IT support costs for a company. What additional costs might arise if this deployment model is used?
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Software Engineering
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anonymous
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How might you use a model of a system that already exists? Explain why it is not always necessary for such a system model to be complete and correct. Would the same be true if you were developing a model of a new system?
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Software Engineering
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anonymous
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How might you use a model of a system that already exists? Explain why it is not always necessary for such a system model to be complete and correct.
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Software Engineering
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anonymous
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It has been suggested that the control software for a radiation therapy machine, used to treat patients with cancer, should be implemented using N-version programming. Comment on whether or not you think this is a good suggestion.
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Software Engineering
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anonymous
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It has been suggested that the control software for a radiation therapy machine, used to treat patients with cancer, should be implemented using N-version programming. Comment on whether or not you think this is a good suggestion.
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Software Engineering
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anonymous
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In a medical system that is designed to deliver radiation to treat tumours, suggest one hazard that may arise and propose one software feature that may be used to ensure that the identified hazard does not result in an accident.
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Software Engineering
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anonymous
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It has been suggested that an independent certification authority should be established. Vendors would submit their components to this authority, which would validate that the component was trustworthy.
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Software Engineering
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anonymous
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Skype offers a service that allows you to make a phone call from a PC to an ordinary phone. This means that the voice call must pass through both the Internet and through a telephone network. Discuss how this might be done.
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Computer Networks
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(user.guest)
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