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Disk Structure Quiz

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Questions and Answers

What is the internal structure of a magnetic disk?

Metal plates coated with magnetic material fixed to a spindle (correct)

A single metal plate with magnetic material attached to a spindle

A set of magnetic heads mounted on arms

Metal plates arranged in a circular pattern

What is a sector on a magnetic disk?

A group of tracks on all surfaces

A group of bytes forming a circle on the disk surface

Concentric rings on the disk surface

The smallest unit of data that can be read or written (correct)

What is the purpose of an inter-Track gap on a disk surface?

To avoid data interference between neighboring tracks (correct)

To improve the durability of the disk

To enhance the disk rotation speed

To increase the data storage capacity

Why are inter-Sector gaps important on a disk surface?

<p>To avoid data interference between adjacent sectors</p> Signup and view all the answers

What is the function of a cylinder on a magnetic disk?

<p>A group of corresponding tracks on all surfaces</p> Signup and view all the answers

Study Notes

Magnetic Disk Structure

A magnetic disk is composed of concentric circles called tracks, divided into smaller areas called sectors, and grouped into cylinders.

Sectors on a Magnetic Disk

A sector is the smallest unit of data storage on a magnetic disk, typically holding 512 bytes of data.
Sectors are divided into three parts: ID, data, and ECC (Error Correcting Code).

Inter-Track Gaps

Inter-Track gaps are narrow blank areas between tracks on a disk surface, ensuring that the read/write head can accurately navigate between tracks.

Inter-Sector Gaps

Inter-Sector gaps are small blank areas between sectors on a track, allowing for efficient data retrieval and storage.

Cylinders on a Magnetic Disk

A cylinder is a collection of tracks located at the same distance from the center of the disk, spanning across multiple platters (in multi-platter disks).
Cylinders allow for efficient data access, as the read/write head only needs to move vertically to access different tracks within the same cylinder.

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Description

Test your knowledge of disk structure with this quiz. Learn about the internal structure of magnetic disks, including the arrangement of plates, magnetic material, and heads. Explore the concepts of tracks, sectors, and cylinders to deepen your understanding of disk technology.