Multiple choice

CD-ROM is based on which technology?

  1. Optical

  2. Electrical

  3. Magetic

  4. Digital
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

CD-ROM (Compact Disc Read-Only Memory) uses optical technology where a laser reads microscopic pits on the disc surface. Unlike magnetic storage (floppy disks, tape) or electrical methods, optical technology uses light to read data.

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