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Questions and Answers
Which type of storage device is preferred for high storage capacity and low cost?
Which type of storage device is preferred for high storage capacity and low cost?
- Optical disk
- Solid state drive
- Flash drive
- Magnetic disk (correct)
What is the primary method of storing data on a magnetic disk?
What is the primary method of storing data on a magnetic disk?
- Creating concentric circular tracks
- Writing data in binary code
- Dividing tracks into sectors
- Magnetizing areas on the disk surface (correct)
What is a disk pack?
What is a disk pack?
- A pack of floppy disks
- A pack of solid state drives
- A pack of multiple magnetic disks (correct)
- A pack of CDs or DVDs
What are tracks on a disk divided into?
What are tracks on a disk divided into?
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Can the division of a track into sectors be changed?
Can the division of a track into sectors be changed?
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What are the two types of files discussed in the text?
What are the two types of files discussed in the text?
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What are the two hashing techniques mentioned in the text?
What are the two hashing techniques mentioned in the text?
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What is the purpose of RAID technology?
What is the purpose of RAID technology?
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What are the units into which a track is divided?
What are the units into which a track is divided?
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What is the main advantage of using disk storage devices?
What is the main advantage of using disk storage devices?
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Study Notes
Disk Storage Devices
- High storage capacity and low cost make disk storage the preferred secondary storage device.
- Data is stored using magnetized areas on magnetic disk surfaces.
- A disk pack consists of multiple magnetic disks mounted on a rotating spindle.
- Each disk surface is organized into concentric circular tracks.
- Track capacity ranges from 4 to 50 Kbytes or more, varying by disk specifications.
Track and Sector Structure
- Tracks on a disk are further divided into smaller segments known as blocks or sectors.
- The division of tracks into sectors is a fixed feature of the disk surface and cannot be altered.
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