Question: Explain why SSTF scheduling tends to favor middle cylinders over the innermost and outermost cylinders.

Explain why SSTF scheduling tends to favor middle cylinders over the innermost and outermost cylinders.

Step by Step Solution

★★★★★

3.45 Rating (164 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

The center of the disk is the location having the smallest average distance to all other tracks ... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Document Format (1 attachment)

Word file Icon

E-CE-OS (186).docx

120 KBs Word File

Students Have Also Explored These Related Computer Engineering Questions!

Q:

Explain why scheduling personnel in a service operation can be challenging.

Q:

Explain why payback analysis may favor an alternative with a shorter payback period when it is not the better choice economically.

Q:

Why might a special-interest group favor a transfer policy over an economic growth policy?

Q:

Explain the following scheduling systems a. FCFS b. SSTF c. SCAN d. C-SCAN e. LOOK Explain the following scheduling systems FCFS SSTF SCAN C-SCAN LOOK

Q:

2.1 Bankers Algorithm (Safety Algorithm) Available Resource Current Allocaton Maximum Need A B C Need to Complete A B C A B C 2 3 1 A B C P0 1 2 4 6 3 4 P1 1 0 0 6 5 3 P2 1 2 1 1 4 2 P3 2 1 1 3 5 2...

Q:

3. Analyze Page-Fault Frequency can help control thrashing. Given the page-fault rate diagram on the right, Please explain how to use this diagram to control thrashing. umber of fames 4. Compare the...

Q:

The device manager in an operating system is responsible for the management and scheduling of I/O requests. A device handler usually chooses which policy to implement when handling I/O processes....

Q:

4. Compare the differences between SSTF and SCAN disk scheduling algorithm. Explain why SSTF may cause starvation and why SCAN is still possible to cause starvation

Q:

(d) (e) Suppose that the head of a moving-head disk with 100 tracks, numbered 0 to 99, is currently serving a request at track 40 and moving upwards. The queue of requests is kept in a FIFO queue as...

Q:

(c) Given that it takes 1 ms to travel from one track to the next, and that the arm is originally positioned at track 15 moving toward the low-numbered tracks and you are using the SCAN scheduling...

Q:

Most university athletic programs now have a Web site with information on individual sports and a Prospective Student Athlete Form that allows high school athletes to submit their academic and sports...

Q:

Steam enters a mixing chamber at 100 kPa, 20 m/s and a specific volume of 0.4 m3/kg. Liquid water at 100 kPa and 25oC enters the chamber through a separate duct with a flow rate of 50 kg/s and a...

Q:

Evaluate: 2 / x 5 dx . 1 0 / x 6 + C 1 / 3 x 6 + C 1 / 2 x 4 + C 1 / 2 x 4 + C

Q:

Why might you distinguish between borrowing to rebuild roads and bridges and borrowing to increase food stamp allocations?

Q:

Why is it important to pretest a problem for generalization? Discuss the reasons why including a pretest may affect the ability to generalize results.

Q:

1. After objectives and standards are set, what step comes next in the control process? (a) Measure results. (b) Take corrective action. (c) Compare results with objectives. (d) Modify standards to...

Q:

Examine the following formal descriptions of sets so that you understand which members they contain. Write a short informal English description of each set. a. {1, 3, 5, 7, . . . } b. { . . . ,4,2,...

Q:

Use the data in WAGEPAN.DTA to answer the following questions. (i) Using lwage as the dependent variable, estimate a model that only contains an intercept and the year dummies d81 through d87. Use...

Q:

Ethan's monthly salary is $1850. In a particular month, he spent 20.5% of his salary on room rental, $690 on food and $940 on other expenses. Express the amount that he overspent as a percentage of...

Q:

Last week, you sold 3 0 0 shares of ABC stock for $ 6 , 3 0 0 . The sale was a short sale with an initial margin requirement of 7 0 % . The maintenance margin is 4 0 % . Some positive news concerning...

Q:

please help 5 Both Bond Sam and Bond Dave have 9 percent coupons, make semiannual payments, and are priced at par value. Bond Sam has five years to maturity, whereas Bond Dave has 18 years to...

Q:

6. Why is it best to hold zero coupon bonds in a tax-deferred account like a 401K? A. Zero coupon bonds are tax exempt B. The IRS requires the holders of zero coupon bonds to pay taxes on the...