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Briefly discuss on page replacement? Page replacement approach is fixed as follows. If no frame is free, we search one that is not presently being used and free it. We can fre
Q. Explain the Concept of Process? A process is sequential program in execution. A process states the basic unit of computation for the computer. Components of process are:
mention the three problems that mat be caused by wrong initialization and placement of wait() and signal()operations in the use of semaphore
Determine what the “blocking factor” of a file is Blocking factor is the number of logical records in one physical record
Q. Is there any way to execute truly stable storage? Describe your answer. Answer: Truly steady storage would never lose data. The fundamental technique for steady storage is
What are the advantages of multi threading? Multithreading a code can have several advantages. Improve application responsiveness --Any program in which var
how are you
In modern operating systems, applications do not directly access the physical memory. Instead, they use so-called virtual memory, where each virtual address is translated to a phys
What is spooling? Spooling overlaps the I/O of single job with the computation of other jobs.
Q. What are the three main activities of an operating system in regard to memory management? Answer: a. Keep follows of which parts of memory are currently being used and
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