All Posts

I/O hardware, I/O devices, polling, interrupts, DMA, and I/O software layers

secondary storage, HDD structure, disk performance, disk scheduling algorithms

file system basics, mapping problem, directories, mounting, disk layout, VFS internals

hex, paging, virtual address, page table, demand paging, segmentation

page table structures, two-level and multi-level page tables, TLB, page fault handling