CDs and DVDs look the same and do pretty much the same thing: store data. Both can be used to record data, music, or video files. However, CDs and DVDs are incompatible, bringing different advantages and disadvantages. Therefore, the decision of which to use is left up to you. You can avoid any confusion over which disc type to use by asking yourself two simple questions:
Knowing the answers to these questions goes a long way towards deciding on a disc type: after all, you want to be able to play your disc after burning it, and of course, your burner must support the disc type you want to create.
In broad terms, discs are divided into CD (which, being the earlier technology, is more widely supported) and DVD (which holds seven times the amount of content, but requires a special drive). Following is a brief description of the different disc types supported by CyberLink PowerBackup.