6
The simple answer is you can't. A DVD-r is physically different from a CD. You can use it in many ways like a CD, but in the end, it is not a CD, and you will only be able to use it in a DVD drive or player, regardless of what you do to it. They are apples and oranges. Both edible, but not really comparable beyond that.
No you need a DVD burrner
199,500
DVD-Burners are backward compatible. They can also be used to burn CD's. There have also been made a lot of varieties of DVD players that can burn CD's but not DVD's.
There are many places where one can find reviews and ratings of CD and DVD tower duplicators. One can find reviews and ratings of CD and DVD tower duplicators at popular on the web sources such as Super Media Store and Amazon.
A regular 700mb cd will fit about 6.7 CDs onto one regular 4.7GB dvd
DVD replication services provides CD or DVD copying services. They are able to make numerous copies of a disc for distribution. Many companies can create the actual CD or DVD from initial design, until final production.
you need a dvd compatible disc not a cd
There are many companies and websites that offer CD and DVD labels for sale. Some of these companies that offer labels are Amazon, Staples and Office Depot.
It is impossible to make an audio DVD that would play in a CD player. DVDs are made for DVD players, not CD players. You could use iTunes to make a Data DVD, but that still wouldn't play in a CD player. It might not even play in a DVD player. Sorry, you'll probably have to stick with CDs for audio.
Yes Sony still makes CD players for your portability. There are many other brands out there that still make CD players and Sony is one of them. And Sony is one of the strongest brands out there.
An Internal CD or DVD drive is a drive that is built in with the computer. As you can imagine a External CD or DVD drive is one that is not built into the computer and is plugged into one of the on board ports.