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Andrew S. Tanenbaum (OS) Edition 4 Exercise 5 Question 25 (Page No. 431)

admin asked in Operating System Oct 28, 2019

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What are the advantages and disadvantages of optical disks versus magnetic disks?

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admin asked in Operating System Oct 28, 2019

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by `JEET

commented Oct 29, 2019

http://storage-devices.weebly.com/advantagesdisadvantages.html

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admin asked in Operating System Oct 28, 2019

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Andrew S. Tanenbaum (OS) Edition 4 Exercise 5 Question 28 (Page No. 431)
Consider a magnetic disk consisting of $16$ heads and $400$ cylinders. This disk has four $100$-cylinder zones with the cylinders in different zones containing $160, 200, 240.$ and $280$ sectors, respectively. ... disk rotates at $7200$ RPM. Calculate the disk capacity, optimal track skew, and maximum data transfer rate.

admin asked in Operating System Oct 28, 2019

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admin asked in Operating System Oct 28, 2019

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Andrew S. Tanenbaum (OS) Edition 4 Exercise 5 Question 27 (Page No. 431)
If a disk has double interleaving, does it also need cylinder skew in order to avoid missing data when making a track-to-track seek? Discuss your answer.

admin asked in Operating System Oct 28, 2019

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admin asked in Operating System Oct 28, 2019

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Andrew S. Tanenbaum (OS) Edition 4 Exercise 5 Question 24 (Page No. 431)
Why are optical storage devices inherently capable of higher data density than magnetic storage devices? Note: This problem requires some knowledge of high-school physics and how magnetic fields are generated.

admin asked in Operating System Oct 28, 2019

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admin asked in Operating System Oct 28, 2019

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Andrew S. Tanenbaum (OS) Edition 4 Exercise 5 Question 22 (Page No. 431)
Compare RAID level $0$ through $5$ with respect to read performance, write performance, space overhead, and reliability.

admin asked in Operating System Oct 28, 2019

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