While it's not really a programming book, the oldest computer book I have is a technical reference for the IBM XT personal computer from 1983 (older than me). It's mostly a reference book concerned with hardware and hardware programming of the PC, with more tables than normal text. It has the full assembly listing of the ROM BIOS (except for the BASIC ROM), and lots of circuit diagrams of which I don't understand anything.

In reply to Re: YAC (Yet Another Challenge): Oldest Useful Computer Text by ambrus
in thread YAC (Yet Another Challenge): Oldest Useful Computer Text by hsmyers

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