Multiple choice 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 store data using magnetic technology - they magnetically polarize microscopic areas on spinning platters to represent binary data. This magnetic storage mechanism allows for persistent, rewritable data storage. Laser technology is used in optical media like CDs/DVDs.