Exam-style question
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Explain how an operating system manages hardware resources when several processes are competing for them. Refer to processors, memories and I/O devices.
Model answer
What a good answer should say
- The operating system manages the allocation of processors, memories and I/O devices among the competing processes.
- It decides which process is given access to each required resource so that the resources can be shared between processes rather than being used without control.
Explanation
Why this works
A complete answer identifies resource management as the operating system's role, explains that processes compete for resources, and refers to the allocation of processors, memories and I/O devices.
Common mistake
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