Which of the following is a storage devices that uses rigid, permanently installed magnetic disks to store data/information ?
Correct answer: B. hard disk
- A. floppy diskette
- B. hard disk
- C. permanent disk
- D. optical disk
Explanation
A hard disk stores data on rigid magnetic platters installed inside the drive. Floppy disks use flexible magnetic media, while optical disks store data with laser-readable marks.
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