Define seek time and rotational latency. In a disk system there are $25$ recordingsurfaces. The diameter of each recording surface is $30$ cm and the inter track distanceis $0\mathrm{.}05$ cm$.$ All the disks are $2$ sided disks except for one disk. There is an average of$360$ sectors per track and each sector contains $512$ bytes of data.$($a$)$ How many tracks will be there in a two sided disk?$($b$)$ How many cylinders will be there in the entire system?$($c$)$ What is the total capacity of the disk system?