Cover of Code

Code

Hidden Language of Computer Hardware and Software

by Charles Petzold · first published 1999

385mentions
243recommended by
287HN commenters
2008–2026first – last mentioned

84% recommend14% neutral1% critical

Why HN recommends it

Builds a computer from the ground up, from simple circuits and logic gates to a CPU, in a readable, engaging way. Suits programmers and curious newcomers who want to know what happens under the hood.

Common criticism: Aimed at a general audience, so too shallow for readers with a technical background

Summarised by Claude from recommending comments

What do flashlights, the British invasion, black cats, and seesaws have to do with computers? In CODE, they show us the ingenious ways we manipulate language and invent new means of communicating with each other. And through CODE, we see how this ingenuity and our very human compulsion to communicate have driven the technological innovations of the past two centuries. Using everyday objects and familiar language systems such as Braille and Morse code, author Charles Petzold weaves an illuminating narrative for anyone who’s ever wondered about the secret inner life of computers and other sm

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Mentions per year

500 2007: 0 mentions2008: 3 mentions2009: 4 mentions2010: 10 mentions2011: 14 mentions2012: 19 mentions2013: 18 mentions2014: 14 mentions2015: 16 mentions2016: 25 mentions2017: 17 mentions2018: 15 mentions2019: 20 mentions2020: 28 mentions2021: 24 mentions2022: 50 mentions2023: 32 mentions2024: 15 mentions2025: 13 mentions2026: 13 mentions200720172026

What Hacker News says

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