Multiple choice

A metal disk coated with ferromagnetic substance for storing data is

  1. Hard disk

  2. Magnetic tape

  3. Floppy disk

  4. Card punch
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A hard disk drive uses rotating platters coated with a ferromagnetic material to store data magnetically. While floppy disks also use this, the term 'metal disk' specifically points to the rigid platters of a hard disk.

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