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Explain the Resource Ownership by Platform
Ownership of data items may further be complicated by concepts defined in certain operating systems. Each operating system defines "process" and "thread" differently and each has different mechanisms for spawned threads or processes to inherit resources. Consequently, resource ownership differs on a per-platform basis.
What are the various page replacement algorithms used for page replacement? FIFO page replacement Optimal page replacement LRU page replacement LRU approximat
What is super block A partition control block have partitions details, such as the number of blocks in the partition, size of the blocks, free-blocks and free-block pointers an
Q. Likewise some systems support many types of structures for a file's data while others simply support a stream of bytes. What are the merits in addition to demerits? Answer:
bootstrap
Inverted page table In page table the page table has one entry for every page that the process is using. The operating system must translate this reference into a physical memo
What are the disadvantages of swapping technique used in pre-3BSD UNIX systems? If there is excessively much memory contention, processes are swapped out until sufficient
what are the objective of operating system assignment
FCFS (First Come, First Served) Perform operations in order requested No reordering of work queue No starvation every demand is serviced Poor performance
Q. What are three benefits of dynamic (shared) linkage of libraries compared to static linkage? What are two situations where static linkage is preferable? Answer: The
What is contiguous allocation? Allocation of a group of consecutive sectors for a one file.
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