CD-ROM (CD-ROM) is an optical disc of the prior to the Fuzzies is reached that the data in your keeps. This word means memory, optical disc read-only. Computers can only the information contained in the optical disc to read and cant get any information on them write. CD-ROM media popular to distribute software to your computer., game, video, etc. apps multimedia. however, that can be any information on them save the village (where capacity allows). Some of the CD-ROM, that CD advanced name. can form at the same time, given a computer on their store, they also contain sound and voice. Section related to the data only on the computer, is usable, and the part that contains the sounds is by a player, the CD is usable.