computers/

CPUs, memory, operating systems and what happens when code runs.

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computers/fetch-decode-execute-the-three-beat-loop-every-cpu-repeats-billions-of.md Fetch, decode, execute: the three-beat loop every CPU repeats billions of times a second A processor looks clever, but at its core it repeats one small loop billions of times a second: fetch an instruction, decode what it asks… 5 min read · 26 Oct