821. Optical disk drive uses which technology?
- A. None of these
- B. Laser Technology
- C. USB port
- D. Integrated Circuits
Check answer and explanation
Answer: Laser Technology
Explanation Optical disk drives (like CD, DVD, and Blu-ray drives) use laser technology to read and write data on optical discs. The laser beam detects the pits and lands on th e disc surface to interpret data.