Computer Science Homework Solutions
#50214
Access time in hard-disk
Consider a disk holding files with an average file length of 5 KB. Each file is allocated contiguously on adjacent sectors. To better utilize the disk space, it must be periodically compacted, which involves reading each file sequentially and writing it back to a new location. Assuming the standard sector size of 512, an average seek time of 50 ms, 100 sectors per track, and a rotational speed of 5000 rpm, estimate, how long it will take to move 1000 files~?
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