DVD-R (digital versatile disc-recordable) and DVD-RAM (digital versatile disc-random access memory) are two types of DVD optical media. DVD-R discs are recordable, meaning that data can be written to them only once and then they cannot be erased. DVD-RAM discs, on the other hand, are rewritable, meaning that data can be written to them multiple times and then erased.

DVD-R discs are typically used for storing video files, while DVD-RAM discs are typically used for storing data files. However, either type of DVD disc can be used for storing either type of file.

The main difference between DVD-R and DVD-RAM …