Q. 65 Consider an operating system capable of loading and executing a single sequential
user process at a time. The disk head scheduling algorithm used is First Come
First Served (FCFS). If FCFS is replaced by shortest seek Time Fist (SSTF),
claimed by the vendor to given 50% better beachmark results, what is the expected
improvement in the I/O performance of user programs?
(A) 50%
(B) 40%
(C) 25%
(D) 0%
Answer: (D)
Explanation: