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 - tiny magnetic domains on spinning platters represent binary data. Laser and light are used in optical storage (CDs, DVDs), while chemical storage is not used in consumer HDDs.