Your answer is not quite correct. The disc does not spin to a required sector, since the disc is spinning constantly, unless in power save or suspend mode. Instead, it is the read/write head which is moving to the required sector.
It would be nice, if you could describe, that information on an SSD can be addressed directly.

Also, please consider improvements on your style: There are a couple of double spaces in your text. You start some sentences in lowercase instead of uppercase. You use different forms for "solid state drive" (again: upper and lowercase).
Better style would be, to only once explain what the long form of SSD is, but then use the appreviation for better reading.
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