Identify the device that reads data by reflected pulses of laser beams on the…
2017
Identify the device that reads data by reflected pulses of laser beams on the surface.
Answer: C. Optical disk — An optical disk reads and writes data using a laser beam. The drive shines a laser onto the rotating disk's surface to detect microscopic pits and lands based…
- A.
Magnetic disk
- B.
Floppy disk
- C.
Optical disk
- D.
Read only memory
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Correct answer: C
An optical disk reads and writes data using a laser beam. The drive shines a laser onto the rotating disk's surface to detect microscopic pits and lands based on how the light reflects back, translating these reflections into binary data (0s and 1s). Thus, Option C is correct.
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