CD-Rs and DVD-Rs are both optical discs that store data. They are both similar in size, and can store a comparable amount of data. However, there are some key differences between them.

CD-Rs are typically used for music, while DVD-Rs are used for movies. This is because the data on a CD-R is encoded in a Red Book Audio format, which is limited to just audio. A DVD-R, on the other hand, can store both audio and video data.

Another difference between CD-Rs and DVD-Rs is that a CD-R can only be written to once, while a DVD-R can be …