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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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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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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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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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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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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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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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Write a case study in the style used here to illustrate the importance of communications in a project team. Assume that some team members work remotely and it is not possible to get the whole team together at short notice.
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What does a model in a software engineering can be defined as an abstraction of a system that has no longer exists, an existing system and future system to be built means?
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Suggest three defensive layers that might be included in an information system to protect data items from changes by someone who is not authorized to make these changes.
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Welcome to
CPEN Talk
Solution-oriented students of
computer engineering
on one platform to get you that
ONE SOLUTION
Every SQL statement that Chuck Norris codes has an implicit "COMMIT" in its end.
...
