CDC 6600, a mainframe computer from Control Data Corporation, first manufactured in 1965
The unofficial MACE software was later chosen over the official SCOPE product as the basis of the next CDC operating system, Kronos, named after the Greek god of time.
Display code is the 6-bit character set used by many computer systems manufactured by Control Data Corporation, notably the CDC 6600 in 1964.
Seymour Cray famously said "parity is for farmers" when asked why he left this out of the CDC 6600.
In the late 1960s and early 1970s, Stuart worked for Control Data Corporation (CDC) -- where Seymour Cray designed the CDC 6600, the first commercial supercomputer.