Multiple choice How many types of disk scheduling algorithms are there in an operating system? 7 6 5 4 None of these Reveal answer Fill a bubble to check yourself B Correct answer Explanation This is the correct answer because there are only 6 disk scheduling algorithms in operating system. These are: First Come-First Serve (FCFS) Shortest Seek Time First (SSTF) Elevator (SCAN) Circular SCAN (C-SCAN) LOOK C-LOOK