We don't "need" them, but they are useful for data storage such as general computer data, photographs and videos. As they have got bigger, some DVDs are not as good, so technology moves on to provide larger storage devices, so some people no longer use DVDs, like they no longer us floppy disks, tape and other older storage devices.
You need a DVD drive to rip DVDs then you may need to get software that can convert DVDs to r4d
The storage capacity of a standard DVD is about 4.7 GB for single-layer and 8.5 GB for dual-layer DVDs. If you are considering single-layer DVDs, 8 DVDs would require approximately 37.6 GB. For dual-layer DVDs, you would need around 68 GB. The total needed will depend on the type of DVDs you are using.
Yes. But you need a Blue Ray player and software to play Blue Ray DVDs on a Mac.
No you need a DVD burrner
Nope
you need a special cartridge to put in it
The Playstation 3 plays both DVDs and Blu-Ray without a special adapter.
You can find these in any place where they sell standard DVDs. Many DVDs now come with a blu-ray disc. However, be aware that you need a blu-ray player to play blu-ray discs.
You can turn DVDs into .mp4 format with a video converter. However, you first need to decode the DVD on your computer before you can convert the file.
Playstation 3 will play HD DVDs. You do not need an accessory to have the HD DVD work.
No. Windows Vista does not contain any software to copy or convert commercial DVDs. You will need to download or purchase another program to copy DVDs.
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.