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The Apollo Guidance Computer: Architecture and Operation

The Apollo Guidance Computer: Architecture and Operation by Frank O'Brien

by Frank O'Brien

Ranked 9 of 9 computer history books by recommenders

Recommended as a detailed technical walkthrough of the Apollo Guidance Computer's architecture and operation, written in the style of a lead engineer guiding a newcomer through the code.

Recommended as a detailed technical walkthrough of the Apollo Guidance Computer's architecture and operation, written in the style of a lead engineer guiding a newcomer through the code.

3 people gave an opinion

recommend it
3
criticize it
0
approval share
100%
Each figure is one person. RecommendsCriticizes

Recommended in 1 of 13 months

  1. November 2025: not recommended
  2. December 2025: not recommended
  3. January 2026: not recommended
  4. February 2026: not recommended
  5. March 2026: not recommended
  6. April 2026: not recommended
  7. May 2026: not recommended
  8. June 2026: not recommended
  9. July 2026: not recommended
  10. August 2026: not recommended
  11. September 2026: not recommended
  12. October 2026: recommended
  13. November 2026: not recommended (month in progress)

Why it doesn’t carry the badge

  • 3 people recommend itNeeds 10 or more, not met.
  • Nobody criticizes itNeeds 2 to 1 or better, met.
  • Recommended in 1 of 13 monthsNeeds 4 or more, not met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Walkthrough of assembly codebase

    “considering the code base is in assembly, I'll gladly welcome a walkthrough”

    Comment from 8 Oct 2026 in “Margaret Hamilton has died”

    “It reads like a lead engineer walking a new hire through the codebase.”

    Comment from 8 Oct 2026 in “Margaret Hamilton has died”
  • Deeper technical detail

    “is also good and goes into more technical detail”

    Comment from 8 Oct 2026 in “Margaret Hamilton has died”
  • Reads like a lead engineer

    “It reads like a lead engineer walking a new hire through the codebase.”

    Comment from 8 Oct 2026 in “Margaret Hamilton has died”

Other computer history books people recommend

The four most recommended other computer history books, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

The Apollo Guidance Computer: Architecture and Operation by Frank O'Brien compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
The Soul of a New Machineby Tracy Kidder590100%828 yrs3 ownersApproved
The Old New Thingby Raymond Chen31197%12—Approved
Accidental Empiresby Bob Cringely150100%2——
A History of Lisp11379%1——
The Apollo Guidance Computer: Architecture and Operationby Frank O'BrienThis page30100%1——
See all 9 computer history books, ranked

What people said

All 3 comments that mention it, newest first. Each links to the original comment.

“is also good and goes into more technical detail”

RecommendsComment from 8 Oct 2026 in “Margaret Hamilton has died”

“considering the code base is in assembly, I'll gladly welcome a walkthrough”

RecommendsComment from 8 Oct 2026 in “Margaret Hamilton has died”

“It reads like a lead engineer walking a new hire through the codebase.”

RecommendsComment from 8 Oct 2026 in “Margaret Hamilton has died”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.