Disk Head
Everything on SkillVeris tagged Disk Head — collected across the glossary, study notes, blog, and cheat sheets.
3 resources across 1 library
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What is FCFS Disk Scheduling?
First-Come-First-Served (FCFS) disk scheduling services disk I/O requests in the exact order they arrive in the queue, moving the disk head to each requested c…
What is SSTF Disk Scheduling?
Shortest-Seek-Time-First (SSTF) disk scheduling always services the pending request whose cylinder is closest to the disk head’s current position, greedily min…
What is SCAN Disk Scheduling?
SCAN disk scheduling moves the disk head in one direction across the disk, servicing every pending request it passes along the way, until it reaches the far ed…