ひかり
光ディスク
1. optical disk; digital optical diskComputing
2. Optical discIn computing and optical disc recording technologies, an optical disc (OD) is a flat, usually circular disc which encodes binary data in the form of pits (binary value of 0 or off, due to lack of reflection when read) and lands (binary value of 1 or on, due to a reflection when read) on a special material on one of its flat surfaces. The encoding material sits atop a thicker substrate which makes up the bulk of the disc and forms a dust defocusing layer.
Read “Optical disc” on English Wikipedia
Read “光ディスク” on Japanese Wikipedia
Read “Optical disc” on DBpedia
Read “Optical disc” on English Wikipedia
Read “光ディスク” on Japanese Wikipedia
Read “Optical disc” on DBpedia
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