
1) Computer jargon
Found on
https://www.crosswordclues.com/clue/blinkenlights

Blinkenlights is a hacker`s neologism for diagnostic lights on old mainframe computers, minicomputers, many early microcomputers, and modern network hardware. ==Etymology== The Jargon File provides the following etymology: Although the sign might initially appear to be in German and uses an approximation of German grammar, it is composed largely ....
Found on
http://en.wikipedia.org/wiki/Blinkenlights
No exact match found.