discuss the usage of hard disk.
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Hard disk : It is an external storage device.But it is fixed inside a pc or any other machine which stores data and it works as a permanent internal storage. But it can be transferred from one device to another .
It has many uses but most important is that it is used to store data of large size without damaging it up to thousands of years.
It's size varies from 30 GB to 100TB which is equals to 1024×100 GB.
In computers it is used to store data as well as to Boot the operating system (OS) inside it .
Hard disk : It is an external storage device.But it is fixed inside a pc or any other machine which stores data and it works as a permanent internal storage. But it can be transferred from one device to another .
It has many uses but most important is that it is used to store data of large size without damaging it up to thousands of years.
It's size varies from 30 GB to 100TB which is equals to 1024×100 GB.
In computers it is used to store data as well as to Boot the operating system (OS) inside it .
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Answer:
The hard disk memories store information on one or more circular platters (or disks) of magnetic material which are continually spinning. Information is recorded on the surface of rotating disks by magnetic heads as tiny magnetic spots.
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