Computer Systems: A Programmer's Perspective (3rd Edition)
Computer Systems: A Programmer's Perspective (3rd Edition)
3rd Edition
ISBN: 9780134092669
Author: Bryant, Randal E. Bryant, David R. O'Hallaron, David R., Randal E.; O'Hallaron, Bryant/O'hallaron
Publisher: PEARSON
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Chapter 6, Problem 6.23HW
Program Plan Intro

Given Information:

A sector in a disk has the following parameters:

ParameterValue
Rotational Value15000 RPM
Tavg seek4 ms
Average numbers of sectors or tracks800

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Suppose a disk drive has the following characteristics: 5 surfaces 1024 tracks per surface 256 sectors per track 512 bytes/sector Track-to-track seek time of 8 milliseconds Rotational speed of 7500 RPM.What is the average latency of the drive?
Transfer rate of a disk drive can be no faster than the bit density (bits/track) times  the rotational speed of the disk. Figure 7.15 gives a data transfer rate of 112GB/sec.  Assume that the average track length of the disk is 5.5 inches. What is the average bit density of the disk?
Subject: Computer Organization and ArchitectureTopics Covered: IA-32 Architecture SEE ATTACHED PHOTO FOR THE PROBLEM
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