Q5,paper 2,D 12,If the disk head is located initially at 32, find the number of disk moves required with FCFS if the disk queue of I/O blocks requests are 98, 37, 14, 124, 65, 67.

(A) 239
(B) 310
(C) 321
(D) 32
Answer ©
Explanation. Initially head is at 32.Movement is FCFS.so disk movement are as follows. (32to98)+(98to 37)+(37 to 14)+(14 to 124)+(124 to 65)+(65 to 67) then total disk movement is 321.