Pearson eText for Software Engineering -- Instant Access (Pearson+)
10th Edition
ISBN: 9780137503148
Author: Ian Sommerville
Publisher: PEARSON+
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Chapter 7, Problem 7.1E
Program Plan Intro
Given Information:
Use case for Report Weather:
The below given table show the description of the Report Weather use case.
| System: | Weather Station |
| Use Case: | Report Weather |
| Actors: | Weather |
| Data: | The weather station wills send a summary of the weather data that is collected from the instruments in the collection period to the weather information system. |
| Stimulus: | The weather information system will establish a satellite communication link with the weather station and it will request for the data transmission. |
| Response: | The summarized data is sent to the weather information system. |
| Comments: | Weather stations need to report once per hour, but there are chances that this frequency may differ from one station to another and it may be even modified in future. |
Expert Solution & Answer
Explanation of Solution
Use case for Report Status:
The below given table show the description of the Report Status use case.
| System: | Weather Station |
| Use Case: | Report Status |
| Actors: | Weather information system, Weather station |
| Data: | The weather station will send a status update to the weather information system. It gives information about the status of its instruments, computers and power supply. |
| Stimulus: | The weather information system establishes a satellite link with the weather station and it requests for the status information. |
| Response: | A status summary is uploaded to the weather information system. |
| Comments: | System status is usually requested at the same time as the weather report. |
Use case for Reconfigure:
The below given table show the description of the Reconfigure use case.
| System: | Weather Station |
| Use Case: | Reconfigure |
| Actors: | Weather information system, Weather station |
| Data: | The weather information system will send a reconfiguration command to the weather station. This will place it into remote control mode where further commands may be sent from the remote system for updating the weather station software. |
| Stimulus: | A command from the weather information system. |
| Response: | A confirmation is made that the system is in remote control mode. |
| Comments: | It is used occasionally whenever software updates have to be installed. |
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Chapter 7 Solutions
Pearson eText for Software Engineering -- Instant Access (Pearson+)
Ch. 7 - Prob. 7.1ECh. 7 - Assume that the Mentcare system is being developed...Ch. 7 - Prob. 7.3ECh. 7 - Prob. 7.4ECh. 7 - Develop the design of the weather station to show...Ch. 7 - Prob. 7.6ECh. 7 - Draw a sequence diagram showing the interactions...Ch. 7 - Draw a UML state diagram showing the possible...Ch. 7 - Prob. 7.9ECh. 7 - Prob. 7.10E
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