Magnetic tape is a storage device.
Here, a strip is coated with some magnetic materials. And then it is putted on a plastic cover to protect from wear and tear.
When the tape comes near to read/write head, the magnetic material in the tape arranged in a particular shape.
At the time of reading, the shape of magnetic material is taken for consideration and the shape is checked with the prewritten shape.
Magnetic tape has a very high storage capacity.
In the same tape, different sectors are used to store data. Normally 6 tracks are there.
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