Magnetic Memory
What is it?
A way of storing information through small grains in a magnetic material.
An example-
Floppy disks.
How does it work?
There are magnetic disks that are read with the moving head inside the disk drive and magnetic tapes are read my moving the tape past a red write head.
Advantages/Disadvantages?
Ad
It's cheap
Suitable size because it's small
Disad
If you move parts then it makes reading/writing slow.
It's vulnerable to damage and can be easily wiped.