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 Model B is the original Raspberry Pi released by the Raspberry Pi Foundation.
Technical Specifications:
CPU: 700MHz Broadcom BCM2835 CPU
GPU: Dual Core VideoCore IV® Multimedia Co-Processor
Memory: 512MB
Video Input: CSI Camera Port
GPIO Pins: 26
On-board Storage: SD
Audio/Display Output: HDMI, DSI Display Port, Component over 3.5mm
USB Port: 2 x USB Ports (USB 2.0)
On-board Network: 10/100 Mbit/s Ethernet
Power Source: 5V MicroUSB