It took the background screen color, in the days before wallpapers, and slowly random-walked it around in RGB space. This was set to be slow enough that anyone watching it intently wouldn’t notice, but fast enough that others occasionally walking by my terminal would see a different color...
(For those unfamiliar with the Burroughs system — the tagged architecture made it physically impossible (at the hardware level) to execute code, a file could only be designated as a code file by a compiler, and a compiler could only be designated as such by a privileged OS command. In va...
and Frances Elizabeth “Betty” Holberton, who would go on to create the first software application. Together with Frances Bilas Spence, Marlyn Wescoff Meltzer, Kathleen “Kay” McNulty Mauchly Antonelli, and Ruth Lichterman Teitelbaum, they laid the groundwork for future programmers...