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CDR Recordable Compact Disk CD-R is a blank CD with the ability to be recorded onto The unit that is used to write data to these blank CDs is called a CD Writer or Burner This unit is not unlike a normal CD drive the difference being that it has two lasers one invisible one visible The invisible is used for writing data onto the surface of the blank CD The visible is for reading information off the CD The unit itself is currently for use in a computer system only and therefor must be installed like a normal CD drive The two CD drives then run coherently to copy data from one cd to another CDR was introduced around 5 years ago but really only became affordable over the last two years This has increased its popularity to an extent where its use has started to spark issues relating to the reproduction of copyrighted material This has started to have a negative economical effect on the music industry I will address the issue of piracy later in this report CDs have become a cost effective industry standard when it comes to storing data Some terms that you will encounter throughout this report are CD-ROM Compact Disk Read Only Memory non recordable CD CDR Recordable Compact Disk Floppy disk a square 3 inch disk with a capacity of 14mb Cartridge A high capacity form of storage slightly larger than a floppy disk Byte - The way that data is measured MB megabyte 1000 bytes Gig gigabyte 1000mb Piracy The illegal reproduction of copyrighted material Factors influencing the development of CDR CDs have become the standard for all forms of media be it audio visual or multimedia Until recently there has been no economically viable way to create your own CDs at home So the first CD Writers were introduced made by Panasonic costing
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