Consider a disk with an advertised average seek time of 5 ms, rotation speed of 15,000...
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Consider a disk with an advertised average seek time of 5 ms, rotation speed of 15,000 pm, 512-byte sectors with 500 sectors per track, and average rotational delay of 2ms. Suppose that we wish to read a file consisting of 3000 sectors for a total of 1.536 Mbytes a. What is the time consumed in sequential access? b. What is the time consumed in random access? Consider a disk with an advertised average seek time of 5 ms, rotation speed of 15,000 pm, 512-byte sectors with 500 sectors per track, and average rotational delay of 2ms. Suppose that we wish to read a file consisting of 3000 sectors for a total of 1.536 Mbytes a. What is the time consumed in sequential access? b. What is the time consumed in random access?
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a For sequential access the disk needs to read all 3000 sectors which are spread over multiple track... View the full answer
Related Book For
Fundamentals of Database Systems
ISBN: 978-0136086208
6th edition
Authors: Ramez Elmasri, Shamkant Navathe
Posted Date:
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