Data storage is a key component of modern computer systems as are peripherals that provide backup storage to these systems.

Question

Both Hard disks and DVD drives provide different storage functions in these regards.

a) Explain, with the aid of diagrams, how raw binary data would be represented and organised on a two-platter hard disk system.

b) Again, with the aid of diagrams, explain how a DVD system represents and organises data and the ways in which it differs from a hard disk

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