plz no handwriting

Question 7 [6 marks]: The following figure shows the types/methods of disk layout for magnetic hard disks. (a) What is the layout (i) called and what is the layout (ii) called ? (b) If, using the layouts in (a) and the fact that sector capacity in (ii) is double of sector capacity in (i), calculate the ratio of capacity for (i) over (ii). (c) For hard disk with 5 platters and using layout (i) above, and sector size of 64Mbyte, calculate the rough capacity of the disk in MByte if the disk can accommodate 100 tracks on every surface an each *.track has 10 sectors (0) (11)