For a magnetic disk with concentric circular tracks, the seek latency is not…
2008
For a magnetic disk with concentric circular tracks, the seek latency is not linearly proportional to the seek distance due to
- A.
non-uniform distribution of requests
- B.
arm starting and stopping inertia
- C.
higher capacity of tracks on the periphery of the platter
- D.
use of unfair arm scheduling policies
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Show answer & explanation
Correct answer: B
The answer is B, because due to Inertia. Whenever your read-write head moves from 1 track to another track, it has to face resistance due to change in state of motion including speed and direction, which is nothing but inertia. Hence the answer is B.
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