Disk moves required with FCFS - Operating System

Q.  OS: 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, 70.
- Published on 22 Jun 15

a. 320
b. 321
c. 324
d. None of the above

ANSWER: 324

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    Discussion

  • ajay   -Posted on 16 Jun 16
    I can't understand this method
  • Nirja Shah   -Posted on 25 Nov 15
    - By applying FCFS we can easily compute = (98-32) + (37-32) + (32-14) + (124-14) + (124-65) + (70-65) = 324

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