Adjacent: Systems & Security · Adjacent
How Computers Work: CPU, Memory & OS
What actually happens when code runs: the fetch-decode-execute cycle, registers and clock speed, the memory hierarchy from cache to disk, and how the operating system juggles processes, memory and devices.
Step 1 of 6 · Overview30 min read ·
Key idea
Prereqs: Binary & logic gates; Python basics. Next: Networking & the internet. Follows Crash Course Computer Science, *Code* (Charles Petzold), and *Operating Systems: Three Easy Pieces* (Arpaci-Dusseau, free online).Next: 1. The CPU