Systems Architecture
7th Edition
ISBN: 9781305080195
Author: Stephen D. Burd
Publisher: Cengage Learning
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What factors contribute to a disk drive's average axcess time? Also, which of these factors is improved if spin rate is increased? and which is improved if area density is increased?
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Suppose a disk drive has the following characteristics:
-6 surfaces
-16,383 tracks per surface
-63 sectors per track
-512 bytes/sector
-Rotational speed of 7,200 RPM.
Please compute
a)The capacity of the drive
b)The average rotational delay.
In terms of disk drives, what does the superparamagnetic limit imply?
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- What sets a stiff disk drive different from other kinds of storage devices, and how do these differences come about?arrow_forwardSuppose 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?arrow_forwardWhat does the superparamagnetic limit imply for disk drives and how does it affect them?arrow_forward
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