Computer Science · Computer Hardware
On which of the following principles does a traditional computer hard disk drive (HDD) work?
- 1Laser Field
- 2Optical Field
- 3Magnetic Field✓
- 4Electric Field
Correct answer
Magnetic Field
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Preparing for Computer Science?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Want more practice questions on Computer Hardware?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Computer Science · Computer Hardware