Multiple choice general knowledge science & technology

Typically, hard disk drives employ what technology as a storage mechanism?

  1. Laser

  2. Magnetic

  3. Light

  4. Chemical

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

Hard disk drives use magnetic storage technology where data is encoded on magnetic platters using read/write heads. Laser technology is used in optical drives (CD/DVD), light is used in fiber optics, and chemical storage is not a standard computer storage mechanism.