Back in the late 1950’s two things were happening (ok more then 2 but 2 relevant to todays discussion) the military was looking to replace the new but now already out of date tube based SAGE and AN/FSQ-7 Strategic Air Command (SAC) computers, and multiple bits of data were beginning to be called bytes.  The … Continue reading The IBM 4020 Military Computer – Tracking Missiles with 6-bit Bytes