The quick and easy answer is because they allow for higher quality video and sound. For the more complex answer, I refer you to Wikipedia's article on DVDs, particularly the History section (http://en.wikipedia.org/wiki/Dvd#History), which lays out how IBM helped get the two camps behind the MMCD and the SD to eventually agree on the DVD.
The evolution of technology has become ever more rapid since the 1980s and the invention of the DVD is just one of many examples of this reality.
There is really one simple reason the why DVD's where invented.
That is to replace VHS tapes, just as blu-ray is likely to eventually replace DVDs: simplicity and compactness.
they are dvds that are the first ones to come out.to get bought
Only books, cds and dvds
Well BOOKS hello? they also have dvds.
There are I believe 14 twelve kingdom movies.
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DVDs were invented in 1995.
Soren T. S.
James Russell invented the compact disk in 1965.
The DVD was supposivley invented by tosiba but some people think it was invented by sony.
Many companies (eg. Sony, Warner Brothers, LG etc.) came together and invented together.
They sop selling in 1978 and DVDs were invented in 1987
Akio morita was the one who invented the Televisions PPlayStation's DVDs "SONY" Productions.
I would say around 1955. But I'm not completely sure, but it's my best answer. P.S sorry about the error.
The DVD was invented to make watching films easier. Some features of DVDs that VHS tapes do not have are be able to choose to watch any scene of the movie instantly, and extra scenes.
HD DVDS are DVDs that can be played on high definition TV players. The regular DVD can be played on any TV and is not in the same definition as the HD DVDs.
Well now, think about it. CDs were invented years before DVDs, so it's likely that CD drives will not incorporate the advanced technology needed to run DVDs.
You can use DVD Copier