The Xbox CPU also contains ROM storing Microsoft private encrypted keys, used to decrypt game data.
The full list of backward-compatible games is maintained at Xbox.com.
Xbox is a sixth generation era video game console produced by Microsoft.
he Xbox 360 can connect to Xbox Live through an optional wireless network adapter on a home network through a wireless router.
Xbox Live Silver is free of charge and allows users to create a user profile, join on message boards, access Microsoft's Xbox Live Arcade and Marketplace and talk to other members.
Xbox was first released on November 15, 2001 in North America, February 22, 2002 in Japan, and on March 14, 2002 in Europe.
Microsoft is predicting that with the Xbox 360, a greater market share, yearly revenue through their Xbox Live service, and falling hardware costs will eventually make system sales profitable.