NTA UGC NET Dec 2023 Paper-2
May 23, 2024Question 9603 – Disk-scheduling
May 23, 2024GATE 1999
| Question 10 |
Which of the following disk scheduling strategies is likely to give the best through put?
| Farthest cylinder next | |
| Nearest cylinder next | |
| First come first served | |
| Elevator algorithm |
Question 10 Explanation:
Farthest cylinder next – Longest job first
Nearest cylinder next – SSTF
First come first served – FCFS
Elevator – SCAN
SSTF always serves the request of nearest cylinder first. Due to which the necessary movement gets reduced.
Nearest cylinder next – SSTF
First come first served – FCFS
Elevator – SCAN
SSTF always serves the request of nearest cylinder first. Due to which the necessary movement gets reduced.
Correct Answer: B
Question 10 Explanation:
Farthest cylinder next – Longest job first
Nearest cylinder next – SSTF
First come first served – FCFS
Elevator – SCAN
SSTF always serves the request of nearest cylinder first. Due to which the necessary movement gets reduced.
Nearest cylinder next – SSTF
First come first served – FCFS
Elevator – SCAN
SSTF always serves the request of nearest cylinder first. Due to which the necessary movement gets reduced.