It's a good question with a simple answer: there are no .CDA files on a CD. In fact, from a Windows perspective, there are no files at all. A music CD differs greatly from your hard drive or floppy disk drive in the way information is stored.Hard drives and floppy disks store data in concentric rings called tracks.t's a good question with a simple answer: there are no .CDA files on a CD. In fact, from a Windows perspective, there are no files at all. A music CD differs greatly from your hard drive or floppy disk drive in the way information is stored.
Listerâs early life. Joseph Lister was born in Upton, Essex, England, on April 5, 1827. He was the second of three children born to Joseph Jackson Lister, a very successful wine merchant and amateur scientist.
For other people named Joseph Henry, see Joseph Henry (disambiguation) . Joseph Henry (December 17, 1797 â May 13, 1878) was an American scientist who served as the first Secretary of the Smithsonian Institution, Joseph was an American scientist who invented electromagnets.or other people named Joseph Henry, see Joseph Henry (disambiguation) . Joseph Henry (December 17, 1797 â May 13, 1878) was an American scientist who served as the first Secretary of the Smithsonian Institution, Joseph was an American scientist who invented electromagnets.