A. Shortest-Seek-time-first scheduling - शॉर्टेस्ट-सीक-टाइम-फर्स्ट शेड्यूलिंग
B. small – small-time-first - स्मॉल–स्मॉल -टाइम -फर्स्ट
C. simple-seek-time-first - सिंपल-सीक-टाइम-फर्स्ट
D. small-simple-time-first scheduling - स्मॉल-सिंपल-टाइम-फर्स्ट शेड्यूलिंग
The full form of SSTF is Shortest Seek Time First. SSTF is a secondary storage scheduling algorithm that determines the motion of the disk's head and arm in servicing the read and write requests. SSTF acts as a disk scheduling algorithm, and it is an improvement upon the FCFS algorithm.