The Raspberry Pi is a single-board computer developed in the UK by the Raspberry Pi Foundation. A credit-card sized computer that plugs into your TV and a keyboard, it's a capable computer which can be used for many of the things that your desktop PC does, like spreadsheets, word-processing and games. It also features Media Center capability and high-definition (HD) video playback capability.The Raspberry Pi 2 Model B is the second generation Raspberry Pi. It replaced the original Raspberry Pi Model B+ in February 2015. Compared to the Raspberry Pi Model B+, the Raspberry Pi 2 Model B has 6 times the performance, featuring: