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Operating Systems: Mass Storage and File System Quiz

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Operating Systems: Mass Storage and File System Quiz

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Questions and Answers

What is the basic structure of a magnetic disk?

A single track with magnetic media, divided into platters and cylinders

Multiple sectors with magnetic coating, divided into platters and tracks

One or more platters with magnetic coating, divided into tracks and sectors (correct)

A single platter with a metallic coating, divided into cylinders and sectors

What is the purpose of a cylinder in the context of a magnetic disk?

It is used to store data in the form of tracks and spots

It is the collection of all tracks that are the same distance from the edge of the platter (correct)

It is a division within a track that contains 512 bytes of data

It is made of rigid metal and has two working surfaces

What are sectors in the context of a magnetic disk?

Collections of all tracks at the same distance from the edge of the platter

Concentric rings that store data in the form of tracks and spots

Working surfaces made of rigid metal with magnetic media

Segments within a track that traditionally contain 512 bytes of data each (correct)

What is the function of read-write heads in a hard drive?

<p>To read and write data on the disk's surface</p> Signup and view all the answers

What does a hard drive use to write, rewrite, and access data?

<p>Magnetization process</p> Signup and view all the answers

Study Notes

Magnetic Disk Structure

A magnetic disk consists of platters, read-write heads, and a spindle motor
The platters are rigid disks coated with magnetic material, spinning around the spindle motor
Read-write heads float above the platters to read and write data

Cylinders in a Magnetic Disk

A cylinder is a vertical column of tracks on multiple platters
Each cylinder represents a single movement of the read-write heads

Sectors in a Magnetic Disk

A sector is the smallest unit of data storage on a magnetic disk
Each sector typically holds 512 bytes of data
Sectors are divided into tracks, and multiple tracks form a cylinder

Read-Write Heads in a Hard Drive

Read-write heads are used to read data from and write data to the magnetic disk
They float above the platters, reading and writing data as the platters spin

Data Writing and Access in a Hard Drive

A hard drive uses magnetic fields to write and rewrite data on the magnetic disk
The read-write heads use electromagnetic pulses to magnetize tiny areas on the disk
The hard drive accesses data by moving the read-write heads to the correct track and sector

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Description

Test your knowledge on mass storage, disk partitioning, disk scheduling, file and directory concepts, and data center disk technologies in operating systems.