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The first step is to convert the logical device number into a physical address. Then you must schedule an IO request. You improve the seek time by testing the IO numbers to see what gives the best results.

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Q: How do you calculate shortest seek time first algorithm Average?
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Related questions

What relation holds between priority and shortest job first algorithm?

what is the diffrnce


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What relation between priority and shortest job first?

In that work system, the shortest job gets higher priority because more gets accomplished in any amount of time. If you have two hours to do 4 tasks and one task will take five minutes, one will take 30 minutes, one will take an hour and one will take an hour and a half, by using the shortest job first method, you will accomplish three tasks in those two hours and part of the fourth task. If you do the longest job first, you will accomplish the task that takes an hour and a half, then only part of the one hour task, but nothing on the 5 minute or 30 minute tasks. That means that by doing the shortest jobs first, you will accomplish three times as many tasks as you will by doing the longest jobs first.


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