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How does user specify block to be fetched in direct access? By specifying the relative block number, relative to first block in file, which is block 0.
Before proceeding with its execution, every process must obtain all the resources it needs is called Hold and wait
The Most comman difference are given below System calls are heavy. While a procedure call can generally be performed in a few system instructions, a system call needs the c
What is the main function of the memory-management unit? The runtime mapping from virtual to physical addresses is done by a hardware device known as a memory management unit (
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explain about design issues of network operating system
Define ‘LRU’ page replacement policy LRU is Least Recently Used page replacement policy.
Under what circumstances do page faults occur? Describe the actions taken by the operating system when a page fault occurs. A page fault happens when an access to a page that
what is a batch system give me answer in simple words so that i can understand
Q. Could you replicate a multilevel directory structure with a single-level directory structure in which arbitrarily long names can be used? If your answer is yes describe how you
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