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CBSE Class 9 Computer Applications Question 39 of 72

Input and Output Devices — Question 11

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Question

Question 11

The disk which uses blue violet laser to read and write is ............... .

  1. DVD
  2. Flash drive
  3. Blu-ray Disk
  4. CD ROM
Answer

Blu-ray Disk

Reason — The disk which uses blue violet laser to read and write is Blu-ray Disk.