A computer diskette is a plastic disk with a ferromagnetic
Chapter 24, Problem 41P(choose chapter or problem)
Problem 41P
A computer diskette is a plastic disk with a ferromagnetic coating. A single magnetic domain can have its magnetic moment oriented to point either up or down, and these two orientations can be interpreted as a binary 0 (up) or 1 (down). Each 0 or 1 is called a bit of information. A diskette stores roughly 500,000 bytes of data on one side, and each byte contains eight bits. Estimate the width of a magnetic domain, and compare your answer to the typical domain size given in the text. List any assumptions you use in your estimate.
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