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The storage area of a disk has the innermost diameter of 10 cm and outermost diameter of 20 cm. The maximum storage density of the disk is 1400 bits/cm. The disk rotates at a speed of 4200 RPM. The main memory of a computer has 64-bit word length and 1 µs cycle time. If cycle stealing is used for data transfer from the disk, What is the percentage of memory cycles stolen for transferring one word?

How can I solve this question. I cant think of an approach to start with. Can anyone please help? What should be the starting intuition behind this?

Thanks in advance!

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