Consider a disk queue with requests for I/O to blocks on cylinders : 98 183 37 122 14 124 65 67 Considering FCFS (first cum first served) scheduling, the total number of head movements is, if the disk head is initially at 53 :

Consider a disk queue with requests for I/O to blocks on cylinders :

1.	Consider a disk queue with requests for I/O to blocks on cylinders : 98 183 37 122 14 124 65 67 Considering FCFS (first cum first served) scheduling, the total number of head movements is, if the disk head is initially at 53 :
A.	600
B.	620
C.	630
D.	640
Answer» E.