Question

what is the blue ray disk​

Answer 1

Blu-ray or Blu-ray Disc (BD) is a digital optical disc data storage format. It was designed to supersede the DVD format, and is capable of storing several hours of video in high-definition (HDTV 720p and 1080p) and ultra high-definition resolution (2160p).

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Answer 2

Blue Ray is an optical disk format designed to display high-definition video and store large amount of data .Blue Ray is the successor to DVD.

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