CD-ROM developed by Japanese company Denon in 1982. It was an extension of Compact Disc Digital Audio, and adapted the format to hold any form of digital data, with a storage capacity of 553 MiB. CD-ROM was then introduced by Denon and Sony at a Japanese computer show in 1984. The "Yellow Book" is the technical standard that defines the format of CD-ROMs. One of a set of color-bound books that contain the technical specifications for all CD formats, the "Yellow Book", standardized by Sony and Philips in 1983, specifies a format for discs with a maximum capacity of 650 MiB.
Philips CD-i Philips CD-i The Philips CD-i (an abbreviation of Compact Disc Interactive) is an interactive multimedia CD player developed and marketed by Dutch company Philips, who supported it from December 1991 to late 1998. It was created to provide more functionality than an audio CD player or game console, but at a lower price than a personal computer with a CD-ROM drive. The cost savings were due to the lack of a floppy drive, keyboard, mouse, and monitor (a standard television is used), and less operating system software. "CD-i" also refers to the multimedia Compact Disc standard used by the CD-i