Digital Versatile Disc Random Access Memory (DVD-RAM) and Digital Versatile Disc Read-Only Memory (DVD-ROM) are two types of data storage technologies that involve encoding data onto a disc by laser. Generally, DVD-RAM is used to store data, and DVD-ROM is used for movies and supplementary music presentations.

What type of memory is a DVD?

Digital versatile disc-read only memory (DVD-ROM) is a read-only digital versatile disc (DVD) commonly used for storing large software applications. It is similar to a compact disk-read only memory (CD-ROM) but has a larger capacity. A DVD-ROM stores around 4.38 GB of data.

Is DVD internal memory?

This is any storage medium which is inserted in to a storage device to be able to save data. For example, a CD/DVD/BLU-RAY, external hard drive, backup tape etc. The ROM chip counts as primary storage as it is inside your computer AND needed to boot up.