Multiple choice

Optical storage technique is used in __________.

  1. Floppy disk drive

  2. Hard drive

  3. Magnetic disk drive

  4. CD-ROM drive

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

CD-ROM drives use optical storage technology, which employs lasers to read and write data. Floppy disks, hard disks, and magnetic disks use magnetic storage technology, not optical.