Magnetic Storage Devices

What is a magnetic storage device?

• A magnetic storage device is a type of storage medium that uses electricity to store and retrieve data.

• A magnetic storage device is a type of storage medium that uses magnetism to store and retrieve data.

• A magnetic storage device is a type of storage medium that uses heat to store and retrieve data.

• A magnetic storage device is a type of storage medium that uses light to store and retrieve data.

Name three types of magnetic storage devices.

• CD-ROMs, USB flash drives, SSDs

• HDDs, magnetic tape drives, floppy disk drives

What are the advantages of magnetic storage?

• Low power consumption, compatibility with various devices, and easy portability.

• Fast data transfer rate, easy to upgrade, and long lifespan.

• High storage capacity, durability, and low cost per unit of storage.

• Compact size, high data transfer speed, and resistance to physical damage.

What are the disadvantages of magnetic storage?

• Higher cost, limited storage capacity, and vulnerability to data corruption.

• Susceptibility to damage from magnetic fields, limited lifespan, and slower access times.

Which magnetic storage device was commonly used in the past but is now obsolete?

• VHS tape

• floppy disk

• CD-ROM

• Zip drive

What is the capacity of a typical floppy disk?

• 1.44 MB

• 2 GB

• 512 KB

• 1.2 MB

What is the capacity of a typical hard disk drive?

• Petabytes (PB)

• Kilobytes (KB)

• Gigabytes (GB) or terabytes (TB)

• Megabytes (MB)

What is the capacity of a typical magnetic tape?

• 12 terabytes (TB)

• 500 megabytes (MB)

• 1 gigabyte (GB)

• 100 terabytes (TB)

What is the purpose of a read/write head in a magnetic storage device?

• The purpose of a read/write head in a magnetic storage device is to erase data on the magnetic medium.

• The purpose of a read/write head in a magnetic storage device is to control the speed of the magnetic medium.

• The purpose of a read/write head in a magnetic storage device is to read and write data on the magnetic medium.

• The purpose of a read/write head in a magnetic storage device is to store data in the cache memory.

What is the difference between random access and sequential access in magnetic storage?

• Random access and sequential access are the same in magnetic storage.

• Random access allows for direct access to any data location on the storage medium, while sequential access requires accessing data in a specific order from the beginning to the desired location.

• Random access requires accessing data in a specific order from the beginning to the desired location, while sequential access allows for direct access to any data location on the storage medium.

• Random access allows for accessing data in a specific order from the beginning to the desired location, while sequential access allows for direct access to any data location on the storage medium.