The comment about universal counterexample was coined by Arthur Sale, then a professor of CS at University of Tasmania. In particular, he was referring to the

The comment about universal counterexample was coined by Arthur Sale, then a professor of CS at University of Tasmania. In particular, he was referring to the B 6700 and C's presumption of NULL being a zero just would not work with that hardware, which had its own unique way to describe null. Another less dramatic example was the Burroughs 5500 and the fact that addresses were in decimal (bcd)--no binary in sight. Yes, I know of no running Bliss, but I would put that as due to DEC disappearing.