Mastering Hard Disks
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Questions and Answers

Which component of a hard disk is responsible for accessing data on the platters?

  • The platters
  • The tracks
  • The arm (correct)
  • The spindle

    • What determines the amount of time it takes for the read/write head to access data on the tracks?

  • The number of tracks on the platters
  • The size of the platters
  • The speed of the spindle
  • The spin speed of the platters (correct)

    • What happens when a read/write head is reading data from a hard disk?

  • It changes a magnetic field into electrical current (correct)
  • It changes electrical current into a magnetic field
  • It moves across the tracks on the platter
  • It spins the platters

    • What is the typical spin speed of hard disk platters?

    <p>7200 rpm</p> Signup and view all the answers

    What is the average seek time for a read/write head?

    <p>4-15 milliseconds</p> Signup and view all the answers

    Which part of a hard disk is responsible for moving the read/write head across the tracks?

    <p>The arm</p> Signup and view all the answers

    What does a read/write head do when reading data from a hard disk?

    <p>It transforms a magnetic field into electrical current</p> Signup and view all the answers

    What determines the time it takes for the read/write head to access data on the tracks?

    <p>The spin speed of the platters</p> Signup and view all the answers

    What is the typical spin speed of hard disk platters?

    <p>7200 rpm</p> Signup and view all the answers

    What is the range for the average seek time of a read/write head?

    <p>11-20 milliseconds (ms)</p> Signup and view all the answers

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