Released by Raspberry Pi Trading in 2019. Developed in the UK, Raspberry Pi has produced a series of small single-board computers (SBC). On an SBC, Pi is a complete computer that has microprocessor(s), memory, input/output (I/O) as well as other features. In 2015 more than 5 million Raspberry Pis were sold, making it the best-selling British computer. In March 2018, sales reached 19 million. Pi 4 stands head and shoulders above its predecessors and all other inexpensive single-board computers. Metallic and embroidery thread, glass beads on polycotton 14” x 18” framed
