+An **Instruction Set** is the fundamental vocabulary a [CPU](/wiki/cpu) speaks. It's the complete collection of commands, defining every basic operation a computer can perform, from moving data to complex calculations. This core language guides the [Processor](/wiki/processor) in executing programs.
+## See also
+- [Assembly Language](/wiki/assembly_language)
+- [Machine Code](/wiki/machine_code)
+- [Computer Architecture](/wiki/computer_architecture)
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