Q] Consider a disk with a sector size of 512 bytes, 2000 tracks per surface, 50 sectors Per track, five double-sided platters, and average seek time of 10 msec. a) What is the capacity of a track in bytes? b) What is the capacity of each surface? c) What is the capacity of the disk? d) How many cylinders does the disk have? e) Give examples of valid block sizes. Is 256 bytes a valid block size? 2048? 51200? f) If the disk platters rotate at 5400 rpm (revolutions per minute), what is the Maximum rotational delay?

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Fundamentals of Input and Output Performance

The I/O subsystem is a component of computer system design that uses buses to assist communication between the Central Processing Unit, Computer Memory/Storage, and Input and Output Devices (that is known as peripheral devices). The I/O subsystem includes disc controllers, tape drives, discs, system buses, and other devices. The I/O database application reads and writes drives using the operating system windows I/O.