Question: Disk requests come in to the disk driver for cylinders at time zero in the order of 1 7 , 2 7 , 5 ,

Disk requests come in to the disk driver for cylinders at time zero in the order of
17,27,5,11,31,3,34.
Starting position is 30. A seek takes 20 msec per cylinder moved.
How much seek time is needed for shortest seek first

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock 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

Students Have Also Explored These Related Databases Questions!

Q:

Disk requests come in to the disk driver for cylinders 10, 22, 20, 2, 40, 6, and 38, in that order. A seek takes 6 msec per cylinder. How much seek time is needed for (a) First-come, first served....

Q:

Disk requests come in to the disk driver for cylinders 2 5 , 4 0 , 7 , 3 2 , 2 2 , 5 and 1 5 , in that order. A s eek takes 2 0 msec per cylinder moved. How much s eek time is needed for ( a ) First...

Q:

Q22) (Input / Output) Disk requests come in to the disk driver for cylinders 10, 22, 20, 2, 40, 6, and 38, in that order. A seek takes 6 msec per cylinder. How much seek time is needed for: (a)...

Q:

operating systems: Question 1: What is multiprogramming? What is timesharing? Question 2: Which of the following instructions should be allowed only in kernel mode? (a) Set the time-of-day clock. (b)...

Q:

5. Disk requests come in to the disk driver for cylinders 10, 22, 20, 12, 40, 6, and 38, in that order A seek takes 5 mses per cylinder. Calculate (i) how many cylinders disk arm motion and (i) how...

Q:

Disk requests come in to the disk driver for cylinders 10, 22, 20, 12, 40, 6, and 38, in that order. A seek takes 5 msec per cylinder. Calculate how many cylinders disk arm motion and how much seek...

Q:

operating system 41. Disk requests come in to the disk driver for cylinders 10, 22, 20, 2,40, 6, and 38, in that order. The arm is initially at cylinder 20. A seek takes 6 msec per cylinder. How much...

Q:

Disk requests come in to the disk driver for cylinders 10, 22 20, 2, 40, 6, and 38 in that order. A seek takes 6 msec per cylinder moved. If the arm is initially at cylinder 20, how much seek time is...

Q:

Disk requests come in to the disk driver for cylinders 2 5 , 4 1 , 7 , 3 2 , 2 2 , 5 and 1 5 , in that order. A s eek takes 2 0 msec per cylinder moved. How much s eek time is needed for

Q:

Disk requests come in to the disk driver for cylinders 2 5 , 4 1 , 7 , 3 2 , 2 2 , 5 and 1 5 , in that order. A s eek takes 2 0 msec per cylinder moved. How much s eek time is needed for

Q:

To ensure that critical systems remain "up", redundant sub-systems are often 5 marks utilised. Does running two copies of a task, with separate task-control-blocks, on the same processor qualify as a...

Q:

Using Westlaw or LIRN library, find and read the case: Johnson v. Union Furniture Co. (1939) 31 Cal. App. 2d 234 Review the document entitled, Sacramento Public Law Library re: Depositions, which is...

Q:

solve the equation for y in terms of x , and replace y with the function notation f ( x ) . then find f ( 4 ) . y + 4 x ^ 2 = 3