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please only answer this question if you can all of them they all related to one chapter please explain the following : What are sector,

please only answer this question if you can all of them they all related to one chapter

please explain the following :

What are sector, cluster, extent? When to use cluster and extent rather than sector?

What is non-data overhead, block factor and its connection with disk storage usage?

Whats included in the cost of disk access time?

How to improve the disk access time?

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