One main advantage of CD-ROMs is that

CD-ROM (Compact Disc Read Only Memory) is an d ata storage equipment that uses laser technology to write and read data from plastic disks. One main advantage of using CD-ROMs for storing data is that they can store any type of content, from generic data, video and audio or mixed content on 650 MG of memory.

CD-Roms can store different types of data, such as video, audio files and also can be used as a carrer for music records. The advantage of CD-Roms in comparson to the data stored only virtually, is that they appear in a materialised form of a CD. Many people believe it makes their data more safe.