DVD = yes
DVD-r = both
dvdrw= both
It is an output device
It is neither, CD DVD and hard disk is STORAGE not input or output.
If you are talking about off-the-shelf DVD players then it's an output device( display data read to video terminal [i.e. Projectors, TV's], but if you are talking about DVDRW devices then it's an input and output device. If you are talking about a DVD media, if it's just ordinary DVD-ROM then it's just input. But if you're talking about DVD-R or DVD-RW media then it's an input and output media.
If you are talking about off-the-shelf DVD players then it's an output device( display data read to video terminal [i.e. Projectors, TV's], but if you are talking about DVDRW devices then it's an input and output device. If you are talking about a DVD media, if it's just ordinary DVD-ROM then it's just input. But if you're talking about DVD-R or DVD-RW media then it's an input and output media.
dvd rom is a out put device
If you are talking about off-the-shelf DVD players then it's an output device( display data read to video terminal [i.e. Projectors, TV's], but if you are talking about DVDRW devices then it's an input and output device. If you are talking about a DVD media, if it's just ordinary DVD-ROM then it's just input. But if you're talking about DVD-R or DVD-RW media then it's an input and output media.
Most DVD players will offer and analog output.
Output. You insert a CD and show (play) the movie. A DVD Multi Recorder is an output and input device. You can insert a blank CD into it and record even pictures. Then you can click on play and play out of the CD right after you record into it.
yes
yes
yes
No. A DVD would be categorized as a storage device.