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Hashed page tables
A common approach for handling address spaces larger than 32 bits is to use a hashed page table. Every entry in the hash table having a linked list of elements that hash to the similar location.
Each element consist of three fields
a) The virtual page number
b) The value of the mapped page frame
c) A pointer to the next element in the linked list.
Explain the various methods for handling deadlocks. A set of processes is deadlocked if every process in the set is waiting for an event that only a process in the
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Optimal page replacement An optimal page replacement algorithm has the least page fault rate of all algorithms. The algorithm states that put back the page that will not be us
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Central to implementation of a modern memory management system is the page replacement algorithm. Modern virtual memory systems break memory up into pages and map (via a page table
DESCRIBE OPERATING SYSTEM
describe competing process
Q. Why is it important to scale up system bus and device speeds as the CPU speed increases? Answer: Consider a system which carries out 50% I/O and 50% computes. Doubling-up
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