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Q. Name two differences between logical and physical addresses?
Answer: A logical address doesn't refer to an actual existing address rather it refers to an abstract address in an abstract address space. Contrast this by a physical address that refers to an actual physical address in memory. A logical address is produce by the CPU and is translated into a physical address by the memory management unit (MMU). Consequently physical addresses are generated by the MMU.
Write pseudo code to implement the pthread_create wrapper of the Tern memoizer. Note you need to describe your data structure for maintaining deterministic thread IDs. In addition,
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Q. Explain about Functions of Operating System? Functions of Operating System Operating system performs 3 functions as follows: 1. Convenience: Operating System mak
Is disk scheduling, other than FCFS scheduling, useful in a single-user environment? Explain your answer. In a single-user environment, the I/O queue usually is blank. Requests
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Q. What is the effect of permitting two entries in a page table to point to the same page frame in memory? Describe how this effect could be used to decrease the amount of time ne
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Write a short note about schedulers. Processes migrate between the various scheduling queues throughout its life time. The operating system should select for scheduling purpose
perform process suspension
Define UnixWare UnixWare manages resources at the process level. Each resource allocated to the application is actually allocated to the process representing the application. C
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