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What problems arise if the directory structure is a general graph?
Searching for a particular file may result in searching the similar directory many times. Deletion of the file might be result in the reference count to be nonzero even when no directories point to that file.
Q. Presume that you have a page-reference string for a process with m frames (initially all empty). The page-reference string has length p along with n distinct page numbers
Processes and Programs Process is a dynamic entity which is a program in execution. A process is a sequence of information executions. Process exists in a limited span of t
We have talked about blocking locks, which voluntarily yield, and spinlocks, which just spin until they acquire the lock. At ?rst, it seems like spinlocks are verywasteful, and tha
What are the different ways in which a thread can be cancelled? Cancellation of a target thread may happen in two different scenarios: Asynchronous cancellation: One thr
What is the purpose of system programs? System programs can be thought of as bundles of useful system calls. They give basic functionality to users and so users do not require
As we already know, threadsmust ensure consistency; otherwise, race conditions (non-deterministic results) might happen. Now consider the "too much milk problem": two people share
The performance of a file system depends upon the cache hit rate (fraction of blocks found in the cache). If it takes 1 msec to satisfy a request from the cache, but 40 msec to sat
Architects Applications by Making Use of Multitasking As the capability of computer hardware keeps increasing, operating systems are presented with overwhelming opportunities.
Q. Explain application of consumer behaviour? Consumer behaviour is described as the dynamic interaction of affect and cognition and behaviour and the environment by human bein
is the operating system windows sometimes interupts
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