CD-Rom means CD-Read Only Memory. No additional data can be written on these CDs once they are recorded. The recording of CD-Roms is done by the vendor and is called as stamping. However, the data from these CDs can be written onto other blank CDs using a CD-Rom copier with the necessary software.

CD-Rom copiers work on the pits and hills technology. CD-Roms are coated with an organic dye layer. When the CD-Roms are written, the data is encoded onto them by burning specific parts of the organic dye coating. These parts are called as the pits and the remaining parts are called as the hills. While copying, a laser head reads the pits and hills and then burns the corresponding regions on the blank CDs. Thus, the same data is transferred onto the blank CDs.

CD-Rom copiers may be PC attached or standalone. PC attached CD-Rom copiers connect to the SCSI port of any computer. They use the copying software that is installed on the host computer. PC attached CD-ROM copiers can have speeds up to 40 times.

Standalone CD-Rom copiers do not need a PC attachment. They have a hard disc of their own. Such CD-Rom copiers are designed in a tower format. Standalone CD-Rom copiers actually contain several sin

gle CD-Rom copiers. Thus, several CDs can be burned at once on a standalone. They may contain as many as 2 to 16 unitary drives. They can have speeds as high as 52 times.

Automated CD-Rom copiers make work much faster and efficient. They have a robotic arm, which lifts and removes CD-Roms as they are copied into another spindle. Automated CD-Rom copiers can copy hundreds of CDs without the user having to interfere with the process at all.

CD-Rom copiers make it easy to make copies of game CDs, which are all CD-Roms. Necessary software can be used to crack the file and include that too in the copied CDs. CD-Roms having video, sound and extreme graphics can also be copied.

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