Compact Disks (CDs) use laser technology to read and write data. A laser beam scans the surface of the disk, interpreting data encoded as microscopic pits and lands.
Which technology id used in compact disks?
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Question context
This question is part of 💻 Computing 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.