Computer Science · Storage Devices
Which technology is used to read or write data on a CD-ROM?
- 1Magnetic induction
- 2Laser beam✓
- 3Mechanical needle
- 4Electrical pulses
Correct answer
Laser beam
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 Storage Devices?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Computer Science · Storage Devices