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For a magnetic disk with concentric circular tracks, the seek latency is not linearly proportional to the seek distance due to

  1. non-uniform distribution of requests
  2. arm starting or stopping inertia
  3. higher capacity of tracks on the periphery of the platter
  4. use of uniform arm scheduling policies
in Operating System by Veteran (430k points)
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Option 2.

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Option 2

Arm starting and stopping at inertia.

by (319 points)

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