For a magnetic disk with concentric circular tracks, the seek latency is not…

GATE · 2008 · CS

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

  1. A.

    non-uniform distribution of requests

  2. B.

    arm starting and stopping inertia

  3. C.

    higher capacity of tracks on the periphery of the platter

  4. D.

    use of unfair arm scheduling policies

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