This is an original 1979 first edition, sixth printing of How to Design, Build & Program Your Own Working Computer System by Robert P. Haviland, published by TAB Books (Book No. 1111). This 308-page manual is a comprehensive "ground-up" guide for the hobbyist who wants to understand every layer of a computer system. It covers CPU architecture, memory interfacing, I/O ports, and the fundamentals of machine language and assembly programming. It is famous for its detailed technical diagrams and its emphasis on the "do-it-yourself" philosophy that defined the early microcomputer revolution.

Manufacturer: TAB Books

Condition: Used (Vintage softcover condition; see pictures for true condition)

Model Number: ISBN 083061111X / TAB Book No. 1111

Extra Notes: Robert Haviland was a highly respected engineer whose clear writing style helped bridge the gap between industrial computing and the home experimenter. This book is particularly valued by collectors of "Early PC" literature because it doesn't just focus on one specific brand (like Apple or Radio Shack), but rather teaches the universal principles of computer design, making it a timeless reference for retro-computing enthusiasts.

Manufactured In: USA