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What are the requirements for solution of critical section problems?
Mutual exclusion: If process p is implementing in its critical section then no other processes can be executing in their critical sections.
Progress : if no process is implementing in its critical section and some process wish to enter their critical section then only those processes that are not executing in their remainder section can participate in the decision on which will enter its critical section next and this selection can't be postponed indefinitely.
Bounded waiting: there subsist a bound on the number of times that other processes are allowed to enter their critical section after a process has made a request to enter its critical section and previous to that request is granted.
The procedure for handling the page fault is as follows 1. We check the internal table to verify whether the reference was valid or invalid. 2. If the reference was invalid,
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1. What must a kernel provide for an effective user-level thread implementation? 2. With respect to the quantum q in a scheduling algorithm, explain and discuss the impact of the
VARIABLE PARTITIONING We can differ the partitions and change the location according to the size of the process. 50k 40k
what is internal fragmentation?
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What are the four necessary conditions of deadlock prevention? Ans: Four essential conditions for deadlock prevention: a. The meaning of removing the mutual exclusio
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