Consider a disk has 200 cylinders, numbered from 0 to 199. At some time the disk arm is at cylinder 100, and moving towards right direction. There is a queue of disk access requests for cylinders 30, 85, 110, 100, 105, 126, 135, 55 and 195. What will be the distance traversed by the R/W head when CSCAN algorithm is used ________.
I'm getting 184.
In answer key the round about seek time of 199 is also added.It should not be added right because disk is circular and 199 and 0 are next to each other?