In designing and implementing an operating system, two important principles include:Group of answer choicesresource allocation and file managementpolicy and system callsmechanism and interrupt handlingpolicy and mechanism
Question
In designing and implementing an operating system, two important principles include:Group of answer choicesresource allocation and file managementpolicy and system callsmechanism and interrupt handlingpolicy and mechanism
Solution
In designing and implementing an operating system, two important principles include: policy and mechanism.
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Policy: This principle refers to the set of rules that determine how the services and resources of the operating system are provided and managed. Policies can be about scheduling, memory management, security, among others. They define what will be done.
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Mechanism: This principle refers to the actual implementation of the policies. It is about how the services and resources are provided and managed. Mechanisms are the procedures and operations that enforce the policy. They define how it will be done.
These two principles are crucial because they allow for flexibility and adaptability in the operating system. The policy can be changed without affecting the mechanisms, and vice versa. This separation of policy and mechanism also allows for better security and reliability, as each can be tested and verified independently.
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