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Describe the purpose of the checkpoint mechanism. How habitually must checkpoints be performed? Explain how the frequency of checkpoints affects:
Answer: A checkpoint log record point outs that a log record and its modified data has been written to stable storage and that the transaction need not to be redone in case of a system crash. Clearly the more often checkpoints are performed the less likely it is that redundant updates will have to be performed during the recovery process.
How the Nested Macro calls are expanded LIFO (Last in First out)
What are the different file operations? Create : - Space for the file in the file system update directory table. Write : - file name and data to be written is
Unisex Restroom Problem
W hat is hashed page table & method of hashed page table with details
EXAMPLE FOR SEGMENTATION Consider an instance as given in the table and we have five segments numbered from 0 through 4 the segment is stock in the physical memory as shown. Th
Performance of demand paging Demand paging can have an important effect on the performance of a computer system. As long as there are no page faults, the effective access time
Evicting the most-recently used (MRU) page does very well on LRU's worst case. In general, however, MRU is a bad idea, since many programs exhibit temporal locality in their memory
Your task is to replace the round robin CPU scheduling scheme you developed in Practical 6 with a priority-based scheduling algorithm. To simplify matters, you can maintain the ori
Write socket based fortune teller server
Differentiate between sequential access and direct access method?
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