5. Suppose a disk drive has the following characteristics: 7 surfaces 17,014 tracks per surface...
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5. Suppose a disk drive has the following characteristics: 7 surfaces • 17,014 tracks per surface . • 69 sectors per track . . • 256 bytes/sector Track-to-track seek time of 5.5 milliseconds • Rotational speed of 8,600 RPM. a. [5 pts] What is the capacity of the drive in GB? Use base-2 units of measure, i.e., 1 GB = 200 bytes. b. [5 pts] What is the access time in ms? . 5. Suppose a disk drive has the following characteristics: 7 surfaces • 17,014 tracks per surface . • 69 sectors per track . . • 256 bytes/sector Track-to-track seek time of 5.5 milliseconds • Rotational speed of 8,600 RPM. a. [5 pts] What is the capacity of the drive in GB? Use base-2 units of measure, i.e., 1 GB = 200 bytes. b. [5 pts] What is the access time in ms? .
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To calculate the capacity of the drive start by finding the total number of sectors on the disk Tota... 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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