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A disk unit has 24 recording surfaces. It has a total of 14,000 cylinders. There is an average of 400 sectors per track. Each sector contains 512 bytes of data. Determine the data transfer rate in bytessec at a rotational speed of 7200 rpm. Using a 32-bit word, suggest a suitable scheme for specifying the disk address, assuming that there are 512 bytes per sector. |
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