Computer Glossary Advanced RISC Machines (ARM) (p.k.a Acorn RISC Machine) Complex Instruction Set Computer (CISC) Reduced Instruction Set Computer (RISC) Resources What is ARM? (& Why Is It In Everything Now) Design CISC RISC Architecture Families arm i386 x86 x86-64 (a.k.a x64, x86_64, AMD64, and Intel 64) # uname -m