Interrupts
0x2 InterruptsYour reference for understanding interrupts in operating systems: computer-system organization with controllers and drivers, an I/O operation up to the interrupt, the interrupt vector table, state save and restore, priority levels, and interrupt chaining on Intel processors.
0x6 I/O SystemThe third essential part of a computer: the I/O system, device addressing via memory-mapped and port-mapped I/O, interfaces and I/O modules with their functions, and the three transfer techniques: Programmed I/O, interrupts (IRQ), and DMA.