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Explain a working of file control block
A file control block (FCB) has information about the file, containing ownership, permission, and location of the file contents. The logical file system is also responsible for protection and security.
Define ‘LRU’ page replacement policy LRU is Least Recently Used page replacement policy.
Write a short note about the different STATES of a process. As a process implement it changes state. The state of a process is described in part by the current activity of that
what is deadlock
We are use to using variables within C without thinking about where they are stored. Most variables are dynamic i.e. can change, therefore they are stored in Ram, unlike a program
Determine the reasons for Poor response time Process busy or High I/O rates or High paging rates
wat are the commands used for creating the file hierarchy
What is a Latency Time Latency Time is the time required through a sector to reach below read/write head.
Q. Give the reasons why Windows XP, Solaris and Linux implement multiple locking mechanisms. Explain the circumstances under which they use mutexes, spinlocks, semaphores, adaptiv
What are the four necessary conditions of deadlock prevention? Ans: Four essential conditions for deadlock prevention: a. The meaning of removing the mutual exclusio
Explain the ExitThread Function used in the Windows NT ExitThread(ExitCode) The ExitThread( ) call is made to end the currently running thread. If the current thread is th
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