The document discusses the Raspberry Pi, a credit card-sized computer created by the Raspberry Pi Foundation to promote teaching computer science. It provides a brief history of its development by the Foundation. The document then covers the Raspberry Pi's hardware components, operating systems like Raspbian that can run on it, various programming languages that can be used, and applications like robotics, gaming and home automation. It compares the Raspberry Pi to the Arduino in terms of specifications and capabilities before concluding with potential future developments.