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SEGMENTATION HARDWARE
An execution to map two-dimensional user-defined addresses into one-dimensional physical addresses. This mapping is affected by means of segment table. Every entry in the segment table has a segment limit and a segment base. The segment base contains the starting address wherever the segment resides in memory, while the segment limit specifies the length of the segment.
A logical address concise of two parts: an offset and a segment number,s into that segment, d The segment number is utilized as an index to the table. The offset d of the logical address ought to be between 0 and the segment limit. The segment table is basically an array of base-limit register pairs.
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
COMBINED ULT/KLT APPROACHES Idea is to merge the best of both approaches Solaris is an illustration of an OS that combines both ULT and KLT Thread creation complete i
FCFS (First Come, First Served) Perform operations in order requested No reordering of work queue No starvation every demand is serviced Poor performance
Q. Describe the concept of transaction atomicity? Answer: A transaction is a sequence of read as well as writes operations upon some data followed by a commit operation. If the
What is long-term, medium-term, short-term? In a batch system many processes are submitted than are able to be executed immediately. These processes are reel to a mass storage
Forking is an important phase of Unix, critical to the support of its design strategies, which encourages the implementation of filters. In Unix, a filter is a process that reads i
A paper mill produces two grades of paper viz., X and Y. Because of raw material restrictions, it cannot produce more than 400 tons of grade X paper and 300 ton
i need the job to be done within 3days
simulate hole allocating ahogrithm
explain about design issues of network operating system
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