What is disk access time, Computer Engineering

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Q. What is disk access time?

The disk access time has two key components:

  • Seek Time: Seek time is the time for disk arm to move heads to the cylinder comprising the desired sector.
  • Latency Time: Latency time is extra time waiting for disk to rotate the desired sector to the disk head.

Sums of average seek and latency time is termed as average access time.


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