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11. Define and discuss what is meant by a critical system. Give an example of a critical system and discuss what makes it a critical system.

11. Define and discuss what is meant by a critical system. Give an example of a critical system and discuss what makes it a critical system.

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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### Question: Define and discuss what is meant by a critical system. Give an example of a critical system and discuss what makes it a critical system. #### Answer: A **critical system** can be defined as a system whose failure could result in catastrophic consequences, including loss of life, significant property damage, or environmental harm. These systems are critical to the functioning of society, and their reliability, safety, and security are paramount. **Example of a Critical System:** - **Nuclear Power Plant Control Systems:** These systems are responsible for the safe operation of nuclear reactors. A failure in a nuclear power plant control system can lead to severe consequences such as radiation leaks, which can have devastating effects on both human health and the environment. #### What Makes it a Critical System: 1. **High Stakes**: The stakes are extremely high in the event of a failure, including potential loss of life or severe environmental damage. 2. **Complexity**: These systems are typically complex and require advanced technologies and rigorous maintenance to ensure their proper functioning. 3. **Regulation and Standards**: They are subject to stringent regulations and standards to mitigate risks and safeguard against failures. 4. **Redundancy and Backup**: Critical systems often have multiple levels of redundancy and backup systems to ensure they remain operational even if one component fails. 5. **Continuous Monitoring and Maintenance**: These systems require constant monitoring and regular maintenance to ensure they are functioning correctly and efficiently. Understanding the nature of critical systems and ensuring their reliability is essential for preventing catastrophic events and ensuring the safety and well-being of society.
Transcribed Image Text:### Question: Define and discuss what is meant by a critical system. Give an example of a critical system and discuss what makes it a critical system. #### Answer: A **critical system** can be defined as a system whose failure could result in catastrophic consequences, including loss of life, significant property damage, or environmental harm. These systems are critical to the functioning of society, and their reliability, safety, and security are paramount. **Example of a Critical System:** - **Nuclear Power Plant Control Systems:** These systems are responsible for the safe operation of nuclear reactors. A failure in a nuclear power plant control system can lead to severe consequences such as radiation leaks, which can have devastating effects on both human health and the environment. #### What Makes it a Critical System: 1. **High Stakes**: The stakes are extremely high in the event of a failure, including potential loss of life or severe environmental damage. 2. **Complexity**: These systems are typically complex and require advanced technologies and rigorous maintenance to ensure their proper functioning. 3. **Regulation and Standards**: They are subject to stringent regulations and standards to mitigate risks and safeguard against failures. 4. **Redundancy and Backup**: Critical systems often have multiple levels of redundancy and backup systems to ensure they remain operational even if one component fails. 5. **Continuous Monitoring and Maintenance**: These systems require constant monitoring and regular maintenance to ensure they are functioning correctly and efficiently. Understanding the nature of critical systems and ensuring their reliability is essential for preventing catastrophic events and ensuring the safety and well-being of society.
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