DVD is a type of optical storage technology. Digital form of storage has completely replaced magnetic storage media like floppy disks. DVD is the acronym of Digital Versatile Disk and is better than CD in terms of audio and video quality. It is versatile and can be played in DVD players and computers.

DVD comes in various formats like DVD-R and DVD-RW, the R and W means read and write capacity of the disc. DVD players can play units can play a various units audio and video discs in different formats such as CD-R, CD-RW, mp3 and VCD. DVD players also support jpeg formats. Some DVD players have recording features.

DVD projectors are used to project audio and video images from DVD players and VCR. Care should be taken to ensure that the medium used is compatible with the DVD projectors. For instance, some DVD projectors don