Which one gives you the most flexibility to change

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Reference no: EM133005320

CSCE 5430 Software Engineering - University of North Texas

Assignment No.

1. For each of these process models (waterfall, prototyping, phased (incremental or iterative), spiral, and agile), what are the benefits and drawbacks of using the model (one benefit and one drawback)?

2. Consider the process models learned in class. Which one gives you the most flexibility to change in reaction to changing requirements? Justify your answer.

3. Consider the following description of a chemical plant.

Temperature and pressure levels must be monitored for safety reasons. Sensors are installed to generate signals when either of these levels exceeds some predefined values. When one of the two signals is raised, a recovery action is automatically invoked (there are a "temperature action" and a "pressure action.") If, after a while, the recovery action succeeds, the system is automatically reset to the "normal" state. Otherwise, the alarm signal must be raised and the plant must be shut off. The system must also be shut off if it is trying to recover from one kind of anomaly - temperature or pressure - and the other signal is raised. It is assumed that the two signals cannot occur simultaneously.

Use a state transition diagram to specify the operation of the chemical plant.

4. Change the following non-functional requirements in a quantitative (measurable) way.

(a) The system should terminate any operation immediately when the tank pressure is high.

(b) The system should be user-friendly.

5. Requirements change over time due to several reasons, and requirements changes affect requirements engineering process in various ways. Why requirements change? List two reasons and briefly describe them. Also, identify two requirements from your project that are susceptible to change.

Attachment:- Assign-3.rar

Reference no: EM133005320

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