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What are the differences between cscan and scan algorithms for disk scheduling?

Norberto Hirthe ∙

Lvl 10

∙ 1y ago

Updated: 2/7/2025

The main difference between the C-SCAN and SCAN algorithms for disk scheduling is how they handle requests that are located at the end of the disk. C-SCAN moves the disk arm to the other end of the disk after servicing the last request, while SCAN moves the arm back to the beginning of the disk. This difference affects the order in which requests are serviced and can impact the overall efficiency of the disk scheduling algorithm.

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