Question

Explain the working method of the following 3.hard -disk​

Answer 1

Answer:

The Hard drive contains a spinning platter with a thin mangnetic coating.

Explanation:

A "head" moves over the platter writing 0's and 1's as tiny areas of magnetic north or south on the platter. To read the data back, the head goes to the same spot ,noticies the north and south spots flying by and so deduces the stored 0's and 1's.

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