Liangxu Linux

Jun 14, 2023 · Fundamentals

Why Do Modern CPUs Use an 8‑Bit Byte? Historical and Technical Reasons Explained

This article explores why the x86 architecture adopted an 8‑bit byte, examining historical decisions, character‑encoding needs, binary‑coded decimal compatibility, power‑of‑two advantages, and legacy compatibility, while clarifying the distinction between bytes and words in computer design.