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What is a CD?

What is a CD?

CD is referred to as compact disc which is a digital optical disk data storage format. The data can be stored in the disks and can be read again and again. Audio, video and document format can be written into the disc. Compact discs are of two types such as read only and rewritable. In read only disc the data can be stored and cannot be erased or rewritten. In rewritable disc the data can be stored, erased and rewritten. Some of the CD items include CD-ROM, DVD-ROM, DVD-RAM, DVD-Video disc etc.



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