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                 Technology of the Week: iPod Basics *  Help of the Week: Blu-ray Technology
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Free Downloads Skip Navigation LinksHome > Computer Basics > Optical Memory > CD
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Optical Memory: CD (Compact Disk)

This article explains about what are the different forms of a CD like CD, CD-ROM, CD-R and CD-RW and what are the differences.

The compact disk (CD) audio system was released in 1983. The compact disk (CD) can store the audio information of one hour in the digital form on one side and it is a non-erasable disk.

CD-ROM is non erasable disk which has the capacity of storing 650 MB of memory so it can be used for sharing huge data.

CD-R is a CD recordable in which the user can write to the disk only once.It can be treated as write one-ready many.

CD-RW is a CD rewritable in which the user can remove and rewrite to the disk many number of times. To burn or write data to a CD, we must have a CD-RW drive called CD Burner.

                                          
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