Computers and Technology, 04.04.2020 11:08, 2000070489

To modify a block on disk, we must read it into main memory, perform the modification, and write it back. Assume that the modification in main memory takes less time than it does for the disk to rotate, and that the disk controller postpones other requests for disk access until the block is ready to be written back to the disk. For the Megatron 747 disk, what is the time to modify a block?

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To modify a block on disk, we must read it into main memory, perform the modification, and write it...