The Raspberry Pi is a credit-card sized computer that was developed by the Raspberry Pi Foundation to provide an inexpensive yet fully-featured computer for educational purposes. It can be used for tasks like word processing, spreadsheets, and games. The Raspberry Pi uses a Broadcom system-on-a-chip and runs Linux on a bootable SD card. It has various ports, is very low-cost starting around $25, and is commonly used by students and hobbyists for programming and electronics projects.