i) What is the storage capacity of the pack?
ii) What is the data transfer rate in bytes per second at a rotational speed of 7200 r.p.m?
10. c) A disk pack has 20 sufaces. Storage area on each surface ha an inner diameter of 22 cm and outer diameter of 33 cm. Maximum storage density on each track is 2000 bits / cm and maximum spacing between tracks is 0.25 mm.
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