Software Engineering (10th Edition)
10th Edition
ISBN: 9780133943030
Author: Ian Sommerville
Publisher: PEARSON
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Question
Chapter 12, Problem 12.1E
Program Plan Intro
Safety Critical System:
Safety-Critical System is the system where the system operations performed is always safe. The system does not provide any damage to the people or the other environment which is regardless to the specification it carries. Example of safety-critical system comprises of control process in chemical and pharmaceutical industries, control and monitoring system in aircraft.
There are two classes of safety-critical software. They are:
- Primary safety-critical software
- Secondary safety-critical software
Expert Solution & Answer
Explanation of Solution
Six consumer products controlled by the safety critical system:
- Microwave oven
- Disposal of garbage
- Vacuum cleaner
- Food processor
- Drill or electric saw
- Heating furnace
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Chapter 12 Solutions
Software Engineering (10th Edition)
Ch. 12 - Prob. 12.1ECh. 12 - Prob. 12.2ECh. 12 - Prob. 12.3ECh. 12 - Prob. 12.4ECh. 12 - Prob. 12.5ECh. 12 - Prob. 12.6ECh. 12 - Explain why using model checking is sometimes a...Ch. 12 - List four types of systems that may require...Ch. 12 - Prob. 12.9ECh. 12 - Should software engineers working on the...
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- Identify several key software issues and trends that have an impact on organizations and individuals.arrow_forwardDescribe the role of safety standards, such as ISO 26262 for automotive software, in ensuring software safety. What are the key principles and requirements of such standards?arrow_forwardHow does software diversity improve software safety in critical systems? Provide examples.arrow_forward
- Identify five examples of safety critical software and try and rank them in terms of their levels of integrityarrow_forwardBriefly explain the differences between hardware and software that are increasingly complicating the development of safety-critical systems?arrow_forwardWhat does efficiency not include in a software product?Explain?arrow_forward
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- Discuss the principles of fail-safe and fail-secure systems. Provide examples of how these principles are implemented in safety-critical software.arrow_forwardiscuss the challenges and best practices for maintaining and updating safety-critical software throughout its lifecycle, especially in industries with long operational periods (e.g., aerospace, healthcare).arrow_forwardConsider how computer and mobile device users could react to software and app failures. What can customers do to avoid these annoyances? You are unhappy with a software or program issue. What would your reaction be? Why don't you tell us what measures you took to correct the problem?arrow_forward
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