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Anything related to hard disk drives (HDDs), a.k.a. hard-disks or hard-drives (HDs), i.e. electromechanical devices often found inside computers used as secondary storage (mass-storage). They can store information in digital form by magnetizing tiny areas of magnetic material with which the their internal disk-shaped rotating platters are coated.

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How is the state of a bit position on a hard drive measured?

Firstly, I am not the EE type, but I do have a petty good foundation on physics work on a pretty low level. I was wondering what mechanism it is that measures the magnetic indentation on hard drive p …
Chad Harrison's user avatar