Storage device that uses lasers and lights as its technology of reading and writing information is known as ______?

Review the verified answer and explanation for this PPSC Punjab Public Service Commission past-paper question on CampusFin.

Storage device that uses lasers and lights as its technology of reading and writing information is known as ______? Answer: Optical Disk

An optical disk (such as CD, DVD, or Blu-ray) uses laser beams to read and write data. These disks store data in the form of pits and lands, and the laser reads the reflection to retrieve information.

Question context

This question is part of 🌐 Networking within the broader 💾 Computer Science subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.