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3
votes
3answers
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Is it possible to detect the previous byte position on a hard drive after it has been overwritten?

I keep hearing about these statements that "a hard drive is like a cassette tape because it is a magnetic medium". That got me thinking... Back in the day when I used to play DJ as a young lad, I ...
3
votes
2answers
592 views

When a disk read or disk write occurs, where does the data go?

I understand that there is such a thing as a disk controller which contains a buffer, but was wondering if the CPU reads directly from this buffer, or whether the data must first go to a specific ...