
A good old book will help, (EG) look at: Digital Logic And Computer Design - Morris Mano (free pdf at archive.org)
"The Art of Electronics" "ARRL Handbook" "Digital Logic and Computer Design" but you might want these in paper format.
The various PDF specs, so that you can construct a PDF viewer if you have to for your other books.
A simpler Linux (source/(cross)compiler/tool-chain) everything that you need to bootstrap a new system. All your favorite apps + source like a PDF/Epub viewers. https://www.linuxfromscratch.org/
Maybe CPU gets destroyed and all you got left are bulkier Micro-controllers. http://collapseos.org/
Programming languages code/specs for things like ASM/Forth/C/Lisp/Scheme (Python, please let Python survive ;)
I would opt for a curated list of books, quality over quantity.
Survival + Prepper books could also come in handy. https://theprepared.com/prepping-basics/reviews/best-prepper...
There is also other organizations that compile lists, but I cannot quickly find them now.
Hope you find it helpful.
Computer Organization
By V. Carl Hamacher, Zvonko G. Vranesic and Safwat G. Zaky
Published by McGraw-Hill
I typed that in from the cover of the Second Edition, but that edition has a copyright date of 1984, so there are probably newer editions available given that this copy is now 38 years old.
Also:
Digital Logic and Computer Design
By M. Morris Mano
Unfortunately I don't have my copy of this one handy to find the publisher