a disc (such as a CD-ROM) on which data is stored or recorded using light, providing increased durability and capacity compared with a magnetic disk.
| 单词 | θ116252 |
| 释义 | society > computing and information technology > hardware > secondary storage > [noun] > optical disc (3) optical disc1957 a disc (such as a CD-ROM) on which data is stored or recorded using light, providing increased durability and capacity compared with a magnetic disk. DVD1994 An optical disc using this format. Also as a mass noun: such discs as a recording or storage medium; frequently in on DVD. Subcategories:— write once (1) |
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