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Instructions
Enter comma-separated cylinder numbers(0-99) as values representing disk requests in the input field.
Enter the head position.
Enter the direction in which you want to move the arm.
Click on the
SUBMIT
button.
Observe as the disk arm moves to the requested locations.
Calculate the Average Seek Time by entering the values for Total Seek Time and Total Seek Operations, then click on the
SUBMIT
button.
Formula:-
Average Seek Time =
Total Seek Time
/
Total Seek Operations
Total Seek Time
=
(Seek Rate) * (Total Head Movement)
NOTE:
Assume Seek Rate to be 1s.
Seek Operation =
movement of the disk's read/write head to the specific cylinder.
INSTRUCTIONS
INPUT FIELDS
Cylinder Values:
Head Position:
Direction:
NULL
Right
Left
SUBMIT
RESET
OUTPUT FIELD
SCAN DISK SCHEDULING