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 6.1, Problem 6.3PP
Program Plan Intro

Given Information:

A sector in a disk has the following parameters:

ParameterValue
Rotational Value15000 RPM
Tavg seek8 ms
Average numbers of sectors or tracks500

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2. a. If a computer can have a maximum of 256MB of memory, how many address bits arerequired?   b. A disk drive has 4 double sided platters. Each surface has 400 tracks. Each track is dividedinto 50 sectors. There are 512 bytes in each sector. What is the capacity of each cylinder?What is the capacity of the disk drive?
Q] Consider a disk with a sector size of 512 bytes, 2000 tracks per surface, 50 sectorsPer track, five double-sided platters, and average seek time of 10 msec.a) What is the capacity of a track in bytes?b) What is the capacity of each surface?c) What is the capacity of the disk?d) How many cylinders does the disk have?e) Give examples of valid block sizes. Is 256 bytes a valid block size? 2048?51200?f) If the disk platters rotate at 5400 rpm (revolutions per minute), what is theMaximum rotational delay?
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