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Polarizing
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Do magnetic disks use magnetic particles to store items such as data instructions and information on a disks surface?
True.
What uses magnetic particles to store items on a disks surface?
Magnetic Disks, otherwise known as 'Floppy disks'. The last generation of these disks were 3 1/2" and used a ridgid plastic case, to contain the magnetic disk within. Not very floppy. The early versions were 7" and 5" and were contained in soft plastic outer sleeves. These were actually floppy.
Magnetic disks use magnetic particles to store items such as data instructions and information on a disk's surface True or false?
true
Are CDs and DVDs magnetic disks?
No. A CD is a type of optical media. An example of magnetic media would be tape (eg. VHS and cassette)
What is the device that reads and records information on disks?
Head – The device that reads and writes the information—magnetic or optical—on the disk surface.
What does the top and bottom of each disk of a magnetic hard drive have an that moves across the disk surface as all the disks rotate on a spindle?
read/write head
How are magnetic disks used as storage media?
Audio
Example of a dynamic memory unit?
Some examples of dynamic units are magnetic disks, magnetic drums, and magnetic tapes
Why hard disc are magnetize with iron oxide?
Hard-disks are coated with iron oxide because it reacts to a magnetic source ! The information on a hard-disk is read and written by a magnetic 'head' which scans across the surface as the disk rotates.
Floppy disks use this type of storage media?
Magnetic
What materials are used to make the hard drive?
Typically, a very fine iron oxide coating is put on the surface of disks, but it can be just about any medium that will maintain a magnetic field.
What is the difference between magnetic disks and magnetic tapes?
The one is round,while the other is long and thin.
