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  • question_answer
                                  ...... Optical data storage is a technology where data is stored in multiple layers in the optical disk?                                                                                                                                                                     [SSC CGL 2017]

    A)  3D

    B)                                 30 D

    C)           300 D              

    D)           3000 D

    Correct Answer: A

    Solution :

    Not Available        


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