Cpu
0x0 The Basic Structure of Operating SystemsSeries opener: what an operating system is through the Cambridge, ISO, and Merriam-Webster definitions; its central tasks per Tanenbaum; then the Von Neumann architecture — CPU and its two units, main memory, I/O, and the bus — plus the five-step execution cycle.
0x1 Processor Structure & FunctionsInside the processor: the data path and control unit, bus organization from single-bus to multi-bus, register organization in x86, and the full five-stage instruction cycle.
0x0 Computer Architecture & OrganizationSeries opener: computer architecture vs organization, the four basic functions of a computer, the main components (CPU, memory, I/O), and the fetch–decode–execute instruction cycle.