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D

DVD Video

DVD Video is a device for playing back high quality digital video along with its accompanying soundtrack. DVDs have much greater capacity than standard CDs, which makes it possible for entire feature films to be contained on single discs. Interactive capabilities make it possible for users to access segments of content by selecting from on-screen menus. In a learning context, DVD Video is likely to be used as a simple video playback medium, but could also be configured as an interactive device.

DVD-ROM

DVD-ROM is a read-only digital data storage medium that can contain any types of computer file, just like a standard computer hard disk. DVD-ROMs benefit from the increased capacity of DVDs over standard CDs but fulfil essentially the same purpose. In a learning context, CD-ROMs are typically used to store interactive self-study materials and multimedia files.