Definition: Areal Density


The number of bits of data that can be recorded onto the surface of a disk or platter usually measured in square inches. The areal density is calculated by multiplying the bit density (BPI - Bits Per Inch) by the track density (TPI - Tracks Per Inch).




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Data Recovery Fact

HDA

Head Disk Assembly. For today's drives this corresponds to the hard disk without the PCB.

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