Computer Science: Hard Disk Drives Quiz

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Questions and Answers

Which component is responsible for positioning the read/write heads over the correct location on the platters?

  • The circuit board
  • The platter motor
  • The read/write heads
  • The head actuator (correct)

Which of the following characteristics determines how fast data can be read from or written to the hard disk?

  • Transfer rate (correct)
  • Revolutions per minute
  • Cylinders
  • Access time

What occurs first when accessing data on a hard disk?

  • The head actuator positions the read/write heads
  • The platters spin (correct)
  • The read/write heads determine data location
  • The motor controls the actuator

In the structure of a hard disk drive, which term refers to the concentric circles where data is stored?

<p>Tracks (B)</p> Signup and view all the answers

When software requests disk access, what is the role of the read/write heads?

<p>To determine the current or new location of data (D)</p> Signup and view all the answers

What is the primary function of the magnetic particles on a hard disk?

<p>To store data, instructions, and information (A)</p> Signup and view all the answers

Which recording method aligns magnetic particles in a manner that increases data storage density?

<p>Perpendicular recording (A)</p> Signup and view all the answers

Which of the following accurately describes the arrangement of magnetic particles in longitudinal recording?

<p>Particles are aligned along the length of the disk (A)</p> Signup and view all the answers

If a hard disk employs perpendicular recording, which characteristic of particle arrangement is most likely true?

<p>Particles are aligned at right angles to the disk's surface (C)</p> Signup and view all the answers

What key physical attribute distinguishes the platters in a hard disk?

<p>They are rigid and circular (B)</p> Signup and view all the answers

Flashcards

Hard Disk Capacity

The amount of data a hard drive can store.

Hard Disk Platters

Circular disks inside a hard drive that store data.

Hard Disk Read/Write Heads

Devices that read and write data on the platters.

Hard Disk Tracks

Concentric circles on a platter where data is organized.

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Hard Disk Sector

Smallest unit of data storage on a hard disk.

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Longitudinal Recording

A type of data storage using magnetic particles aligned along the length of the disk. The particles alternate between north (N) and south (S) directions.

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Perpendicular Recording

A type of data storage using magnetic particles aligned vertically to the surface of the disk. The particles alternate between north (N) and south (S) directions.

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Hard Disk

A storage device that uses one or more inflexible, circular platters to store data using magnetic particles.

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What is Longitudinal Recording?

A method of storing data on a hard disk where the magnetic particles are aligned along the length of the disk.

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What is Perpendicular Recording?

A method of storing data on a hard disk where the magnetic particles are aligned vertically to the surface of the disk.

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