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Device Drivers
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
What is protection of input output?
with the aid of diagrams describe the following os structures monolithic , layered, client server
Using pages makes it easier to manage the whole memory, avoiding excessive fragmentation and waste. As an analogy, think of Tetris, but with only square blocks: it is relatively ea
Write short note on compression regarding the file system in Windows 2000. NTFS is able to perform data compression on individual files or on all data files in a directory. To
Explain Deadlock Every process in a set of processes is waiting for an event which only a process in the set can cause.
What is internal fragmentation? Consider holes of 20k assume the process requests 18 bites. If we allocate accurately the request block, we are left with a hole of 2k. The over
Q. Presume that a distributed system is susceptible to server failure. What mechanisms would be needed to guarantee the exactly once semantics for execution of RPCs? Ans
Define a loader that is executed when a system is first turned on or restarted? Bootstrap loader is executed when a system is first turned on or restarted
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