The storage capacity of a disk system depends on the bits per inch of track and the tracks per inch of
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Answer: D) Surface
The storage capacity of a disk system depends on the number of bits stored per inch of track (bit density) and the number of tracks per inch of disk surface (track density). Higher bit density and track density generally allow more data to be stored.
Exam Tip: Bits per inch of track + Tracks per inch of surface.
Source: Scan #36 page 14 Q516