Acorn designed the ARM processor (Acorn Risc Machine, and later, Advanced Risc Machine) in the middle of the 80's, because no processors were suitable for them at this time. ###>Acorn a conçu le processeur ARM (Acorn Risc Machine, devenu plus tard Advanced Risc Machine) au milieu des années 80, car aucun autre processeur ne leur convenait à cette époque.