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OPERATING SYSTEMThe time to move the disk arm to the desired cylinder in hard disk is known as (i) rotational latency (ii) seek time (iii) positional time (iv) disk time20232mCOMPUTER ORGANIZATION & ARCHITECTUREThe minimum time delay between the initiations of two independent memory operations is called * (i) access time * (ii) cycle time * (iii) transfer rate * (iv) latency time20192mOperating SystemDescribe seek time, rotational latency, random-access time and their relationship in context of magnetic disks by drawing its moving – head mechanism.20227mOperating SystemSuppose a disk has 100 cylinders, numbered from 0 to 99. At some time the disk arm is at cylinder 50, and there is a queue of disk access requests for cylinders 4, 34, 10, 7, 19, 73, 2, 15, 6 and 20. Assuming that shortest seek-time first (SSTF) is being used for scheduling the disk access. Calculate the total time taken to satisfy all requests if it takes 1 millisecond to move from one cylinder to adjacent one.20227m
PreviousWhich of the following approach require knowledge of the system's state in advance. (i) Deadlock detection (ii) Deadlock prevention (iii) Deadlock avoidance (iv) None of theseNextWhich module gives control of the CPU to the process selected by the short-term scheduler? (i) dispatcher (ii) scheduler (iii) Interrupt (iv) None of these
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