What is a MiniDisc and how does it differ from a CD?
There are several standard music distribution formats. The MP3 and the compact disc (CD) are the two most common at the moment, but cassette tapes are still around and 33 rpm vinyl LPs can still be found in some stores. The Sony MiniDisc is another format that Sony has been trying to popularize for many years. A MiniDisc looks a lot like a floppy disk but is slightly smaller (7 cm, 2.75 inches square). CDs store 74 minutes of music in a nearly indestructible form and have the advantage of being a digital format, but until fairly recently you could not record on a CD. The MiniDisc’s main claim to fame is that it is (and always has been) recordable. One easy way to think about a MiniDisc is like a floppy disk — you can record and erase files on a MiniDisc just as easily as you can on a floppy disk. The big difference between the a MiniDisc and a floppy disk is t