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Explain Rehashing to Handle Collision
Rehashing: Re-hashing schemes make use of a second hashing operation while there is a collision. If there is an additional collision, we re-hash till an empty "slot" in the table is found. The re-hashing function can either be a new function or a re-application of the original one. So long as the functions are applied to a key in similar order, then a sought key can all time be located.
Define thrashing. Thrashing is the accident of high page traffic and low CPU utilization. It is observed that the cause of thrashing is an under-commitment of memory to program
What do you mean by semaphore? Semaphore : A synchronization variable that acquires on positive integer values. Invented by the Dijkstra P (semaphore): an atomic proce
Explain about paging? Answer: Paging is a memory-management scheme that permits the physical-address space of process to be noncontiguous. Paging avoids the considerable proble
Define drawback of Distributed systems Reliability is a drawback of Distributed systems
State critical section problem? Discuss three solutions to solve the critical section problem. C-S Problem:- n processes all competing to use some shared data Every
USER-LEVEL THREADS (ULT) In this level the kernel isn't aware of the existence of threads -- All thread management is complete by the application by using a thread library. Th
What lead to the concept of paging? The main memory is separated into two parts that are one for the resident operating system, and one for the user processes. We may perhaps p
What are the various file operations? The six basic file operations are Creating a file Reading a file Writing a file Repositioning within a file Tr
WHAT IS ACYCLIC GRAPH DIRECTORY
Determine a scheduling policy that is most suitable for a time-shared operating system Round-Robin is a scheduling policy that is most suitable for a time-shared operating s
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