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.
Gerard Philips a decade. On 19 March 1896 Philips married Johanna van der Willigen (30 September 1862 – 1942). They had no children. Gerard's father was a first cousin of Karl Marx (his paternal aunt was Marx's mother). Gerard was an uncle of Frits Philips, whom he and his brother brought into the business. Later they brought in his brother's son-in-law, Frans Otten. Gerard and his brother Anton supported education and social programs in Eindhoven, including the Philips Sport Vereniging (Philips Sports Association), which they founded. From it the professional football (soccer) department developed into the independent Philips Sport Vereniging N.V. Gerard