Storage and File Organization. Magnetic Hard Disk Mechanism. NOTE: Diagram is schematic, and simplifies the structure of actual disk drives. Magnetic Disks. Read-write head Positioned very close to the platter surface (almost touching it) Reads or writes magnetically encoded information.
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NOTE: Diagram is schematic, and simplifies the structure of actual disk drives
Many alternatives exist, each ideal for some situations, and not so good in others: