ELI5 mode
An instruction set is the complete collection of basic commands and operations that a computer's central processing unit (CPU) is designed to execute, forming the foundation of how software interacts with hardware. It defines the processor's capabilities, from simple arithmetic to complex data manipulations, and has evolved to include specialized extensions for tasks like encryption or AI processing in modern chips. This core element of computer architecture not only drives efficiency but also influences software development by dictating what's possible at the machine level.
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