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Assume that P A , P B and P C are three distinguished program s . When P A is executed, it needs 10 ticks to complete its execution and it forks new processes executing P B at tick
Basic File System Uses the specific device driver. Deals with blocks of data that are exchanged with the physical device. Concerned with the placement of blocks on
What are the disadvantages of linked allocation? The drawbacks are a. Used only for sequential access of files. b. Direct access is not supported c. Memory space neede
What is the hardware support required to implement paging? Each operating system has its own techniques for storing page tables. The majority allocates a page table for each pr
why we say " OS is a resource allocator" and “OS is a control program"?
What is spooling? Spooling overlaps the I/O of single job with the computation of other jobs.
Define ‘LRU’ page replacement policy LRU is Least Recently Used page replacement policy.
The term ‘page traffic’ explains Page traffic’ explains the movement of pages in and out of memory.
What is segmentation? In a segmented memory management scheme a programmer views a program to be collection of program components called as segments. Every segment is a logical
Explain multilevel queue scheduling and multilevel feedback queue scheduling #Minimum 100 words accepted#
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