Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Operating Systems CPU Scheduling Disk Scheduling
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 first (SSTF) and the vendor claims 50% better benchmark results. What is the expected improvement in the I/O performance of user programs?
1
50%
2
100%
3
25%
4
0%