The document discusses the history and specifications of the Raspberry Pi, a credit card-sized computer designed for education. Key points include: - The Raspberry Pi was created by the Raspberry Pi Foundation, a UK-based charity, to promote computer science education. - At about $35 per unit, the Raspberry Pi is inexpensive due to its use of low-cost, low-power ARM processors and barebone components. - The latest Raspberry Pi 2 model has a 900MHz quad-core processor, 1GB of RAM, MicroSD storage, and Broadcom VideoCore IV graphics. - The Raspberry Pi runs Linux-based operating systems and can be used for programming practice