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Consider a disk system which contains the following parameters, Rotational speed 7200 rpm, 30000 tracks/platter sectors 600/track. Seek time 1 ms for every 100 tracks traversed.Initial track position is 0. Calculate average seek time & rotational latency.
Define the term context switch. Explain how context switching takes place. (use a diagram, with two processes)
Write a java program on Professional Expression Assignment
Slim reader-writer locks favor neither readers nor writers, nor are waiting threads ordered in FIFO queue. Describe benefits of providing such a synchronization tool.
Explain the following terms in relation to linear programming problems- (1) decision variables (2) objective function
VLIW processor - assembler
Assuming fetches to main memory are started in parallel with look-ups in cache, calculate the effective (average) access time of this system.
Discuss and provide examples of the following concurrency issues associated with an OS: 1. Mutual exclusion 2. Deadlock 3. Starvation
Explain a complication that concurrent processing adds to an operating system.
Explain the difference between internal fragmentation and external fragmentation. Which one occurs in paging system? Which one occurs in system using pure segmentation?
Write two challenges an OS faces when passing parameters between user and kernel mode. Describe how an OS can overcome them
How many page faults would occur under pure demand paging (all frames are initially empty), assuming four frames are available, under FIFO, LRU.
Forking the child process
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