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 is a data storage device that uses magnetic storage to store and retrieve digital information using one or more rigid rapidly rotating disks coated with magnetic material.