HDD Capacity and Access Time
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Assume the specification of a hard disk drive shows the following characteristics:
16 surfaces
1024 tracks per surface
256 sectors per track
512 bytes/sector
Track-to-Track seek time of 10 milliseconds
Rotational speed 3,000 rpm
(a). What is the capacity (in MB) of the hard disk drive?
(b). What is the access time (in ms)?
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Solution Summary
Given an example of a hard drive structure, answers are provided to the capacity and access times for that disk.
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a. 2,048 MB
512 bytes x 256 sectors X 1024 tracks x 16 heads = 2,147,483,648 bytes / 1024 = 2097152 ...
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