Digital Versatile Disc: Difference between revisions

{{Useful Notes}}

More technically accurately known as the '''Digital Versatile Disc''', it was already unofficially being referred to as the Digital Video Disc while being developed and up to launch but received the former name to reflect the non-video capabilities. Even by that point people were just using DVD as probably everybody does nowadays. Some people like to say that [[Take a Third Option|it's just DVD]] with no proper name but they're not fooling anybody. Like a [[Compact Disc]], but it uses more sophisticated hardware<ref>A DVD has its pits packed more densely than a CD (thus allowing even more [[Binary Bits and Bytes]]), so that is why even a single-layer DVD can hold much more than a CD. Combined with the ability to add a second layer, the need for multiple discs is reduced when one layer isn't enough, as a dual-layer disc and hold twice as much as a single-layer disc.</ref> and different media compression that is able to store more data. (In addition, the terminology is slightly different; unlike how CD-ROM only referred to data CDs, DVD-ROM refers to ''all'' DVDs that aren't recordable or rewritable, regardless of what is stored on them.) Single-layer DVDs hold about 4.7 gigabytes, while double-layer and double-sided discs can hold up to 9.4 gigabytes, and double-layer double sided discs can hold about 18 gigabytes.