Net December 2012 answer key computer science 5

UGC NET DECEMBER 2012 COMPUTER SCIENCE ANSWER KEY FOR SOME QUESTIONS from second paper

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

a) 239
b)310
c)321
d)325

answer is c)321