if you have got the wireless keyboard you just press the button on the top right, if not you click on the disk and drag to the trash can icon which will of changed to a eject icon
It is not possible to convert a DVD into an iMac.
Burn it to a DVD.
Yes, it does.
The best way would probably be to get a hardware specialist to download the photos of the main drive of your iMac.
iMac's do not come with night vision.
You will need to save the pictures on a flash drive, CD, or DVD, in order to load them on an iMac.
Yes
No it will not play a 6" disc. It will play a CD or DVD.
All the software you need comes preinstalled on an iMac.
yes , you can make your own DVD's for a Karaoke Machine.
Elegies - Machine Head DVD - was created in 2004-12.
If your Mac has crashed and you have lost all data then unless you made a backup of all the photos they cannot be replaced. If you used Time Machine and your iMac was connected to an external hard drive then all your photos are on that external hard drive. Simply open Time Machine and restore all the photos to iPhoto.