8-bit computing refers to data units and CPU architectures with 8-bit width. Memory addresses are typically 16-bit wide for 8-bit CPUs. An 8-bit register can store 28 different values
Binary numbers use only two symbols: 0 and 1. Ancient Egyptian scribes used binary fractions for measurements. Chinese I Ching system used binary hexagrams from 9th century BC. Indian Pingala developed binary system for prosody in 2nd century BC
Tutorial aims to write an x86, 32-bit operating system from scratch. Uses BIOS instead of UEFI for simplicity. Requires basic computer architecture knowledge and assembly language
CPU architecture defines instruction processing and memory management. CPUs are classified as RISC (Reduced Instruction Set) or CISC (Complex Instruction Set)
Based on 64-bit instruction sets for efficient program structure. Provides framework for building software, computers and networks. Enables secure communication between different computers. Used in medical research, gaming, communication and automation
ALU is the mathematical brain of modern computers. Intel 74181 was first complete ALU on single chip. ALU consists of arithmetic and logic units