ArmSys

ArmSys refers to a family of computer architectures developed by Acorn Computers. The most notable implementation is the ARM (Advanced RISC Machine) architecture, a reduced instruction set computing (RISC) design. Acorn Computers introduced the first ARM processor, the ARM1, in 1985. The key principle behind ARM is its simplicity, aiming for a smaller, more energy-efficient processor compared to the complex instruction set computing (CISC) designs prevalent at the time.

The ArmSys architecture gained significant traction in the embedded systems market due to its low power consumption and cost-effectiveness. This made it ideal for devices such as mobile phones, personal digital assistants, and later, tablets and smartphones. Acorn's own computers, like the Acorn Archimedes, also utilized ARM processors. Over time, the ARM architecture has evolved through various versions, introducing enhancements in performance and features. The licensing model of ARM, where ARM Holdings designs the architecture and licenses it to other companies for manufacturing, has been a major factor in its widespread adoption across the industry. Today, ARM processors are ubiquitous in a vast array of electronic devices, powering a significant portion of the world's mobile computing.