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In computer jargon, blinkenlights are diagnostic lights on front panels of old mainframe computers. More recently the term applies to status lights of modern network hardware (modems, network hubs, etc.). Blinkenlights disappeared from more recent computers for a number of reasons, the most important being the fact that with faster CPUs a human can no longer interpret the processes in the computer on the fly. Though more sophisticated UI mechanisms have since been developed, blinkenlights may still be present as additional status indicators and familiar skeuomorphs.




Etymology


The term has its origins in hacker humor and is taken from a famous (often blackletter-Gothic) mock warning sign written in a mangled form of German. Variants of the sign were relatively common in computer rooms in English-speaking countries from the early 1960s. One version read:

ACHTUNG!ALLES TURISTEN UND NONTEKNISCHEN LOOKENSPEEPERS!DAS KOMPUTERMASCHINE IST NICHT FÜR DER GEFINGERPOKEN UND MITTENGRABEN! ODERWISE IST EASY TO SCHNAPPEN DER SPRINGENWERK, BLOWENFUSEN UND POPPENCORKEN MIT SPITZENSPARKEN.IST NICHT FÜR GEWERKEN BEI DUMMKOPFEN. DER RUBBERNECKEN SIGHTSEEREN KEEPEN DAS COTTONPICKEN HÄNDER IN DAS POCKETS MUSS.ZO RELAXEN UND WATSCHEN DER BLINKENLICHTEN.
Some versions of the sign end with the word blinkenlights.
The sign dates back as far as 1955 at IBM, and a copy was reported at London University's Atlas computer facility.
Although the sign might initially appear to be in German and uses an approximation of German grammar, it is composed largely of words that are either near-homonyms of English words or (in the cases of the longer words) actual English words that are rendered in a faux-German spelling. As such, the sign is generally comprehensible by many English speakers regardless of whether they have any fluency in German, but mostly incomprehensible to German speakers with no knowledge of English. Much of the humor in these signs was their intentionally incorrect language.
Michael J. Preston relates the sign as being posted above photocopiers in offices as a warning not to mess with the machine in the first print reference from 1974. The sign is also reported to have been seen on an electron microscope at the Cavendish Laboratory in the 1950s. Such pseudo-German parodies were common in Allied machine shops during and following World War II, and an example photocopy is shown in the Jargon File.
The Jargon File also mentions that German hackers had in turn developed their own versions of the blinkenlights poster, in broken English:

ATTENTIONThis room is fullfilled mit special electronische equippment. Fingergrabbing and pressing the cnoeppkes from the computers is allowed for die experts only! So all the "lefthanders" stay away and do not disturben the brainstorming von here working intelligencies. Otherwise you will be out thrown and kicked anderswhere! Also: please keep still and only watchen astaunished the blinkenlights.




Actual blinkenlights



The Connection Machine, a 65536-processor parallel computer designed in the mid-1980s, was a black cube with one side covered with a grid of red blinkenlights; the sales demo had them evolving Conway's Game of Life patterns.
The two CPU load monitors on the front of BeBoxes were also called "blinkenlights".
This word gave its name to several projects, including screen savers, hardware gadgets, and other nostalgic endeavours. Notable such enterprises include, but are not limited to, the German Chaos Computer Club's Project Blinkenlights and the Blinkenlights Archaeological Institute.




See also


Faxlore
Macaronic language
Turbo encabulator




References






Further reading


Sundem, Garth (2009). The geeks' guide to world domination (1 ed.). New York, USA: Three Rivers Press. ISBN 978-0-307-45034-0.
Hofstadter, Douglas Richard (1996). Metamagical themas: questing for the essence of mind and pattern. Basic Books. p. 569. ISBN 978-0-465-04566-2.




External links



DEC indicator panels

Kata Kunci Pencarian:

• MPlayer
• Blinkenlights
• Chaos Computer Club
• Project Blinkenlights
• BeBox
• Haus des Lehrers
• Bibliothèque nationale de France
• Blinken
• Front panel
• Elbphilharmonie
• Faxlore

Blinkenlights Archaeological Institute

Blinkenlights - YouTube

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Daftar Isi

• Blinkenlights - Wikipedia
• Project Blinkenlights - Wikipedia
• This Day In Science Fiction History: The Birth of Blinkenlights
• Welcome to Project Blinkenlights
• Blinkenlights-First Retrocomputer Design - Hackaday
• jart/blink: tiniest x86-64-linux emulator - GitHub
• Blinkenlights Archaeological Institute
• blinkenlights - Urban Dictionary
• Blinkenlights Information
• Blinkenlights

Blinkenlights - Wikipedia

In computer jargon, blinkenlights are diagnostic lights on front panels of old mainframe computers. More recently the term applies to status lights of modern network hardware (modems, network …

Project Blinkenlights - Wikipedia

Project Blinkenlights was a light installation in the Haus des Lehrers building at the Alexanderplatz in Berlin that transformed the building front into a giant low-resolution monochrome computer …

This Day In Science Fiction History: The Birth of Blinkenlights

Mar 31, 2009 · Later generations of hackers called these lights "blinkenlights." Blinkenlights once came in handy, by letting engineers see the state of various subsystems as the computer …

Welcome to Project Blinkenlights

Welcome to Project Blinkenlights. This is our brand new home page. It's the place to get in-depth background information on our upcoming activities and recent projects alike. Latest project: …

Blinkenlights-First Retrocomputer Design - Hackaday

Jan 11, 2025 · Instead, [Boz] built a righteous blinkenlights array. What’s cool about this display is that it’s ready to go out of the box. All of the LEDs are reverse-mount and assembled by the …

jart/blink: tiniest x86-64-linux emulator - GitHub

blinkenlights is a terminal user interface that may be used for debugging x86_64-linux or i8086 programs across platforms. Unlike GDB, Blinkenlights focuses on visualizing program …

Blinkenlights Archaeological Institute

The Institute was established in 1997 to excavate, preserve, research, and present interesting and historically significant computing devices. Our headquarters are located in the beautiful Pacific …

blinkenlights - Urban Dictionary

Jun 18, 2007 · Get the blinkenlights mug. A humorous hacker's term for diagnostic lights on old mainframe computers and modern network hardware. The word is supposed to give the …

Blinkenlights Information

Classic Computers Information Discussions; FAQs; Emulators; Retrocomputing Archives; Online Documents; Histories; Virtual Museums; Services; Shopping; Publications

Blinkenlights

"Blinkenlights" is a minimal status dashboard app from the creator of Letters, WordGrid and Tetra. Follow @ BlinkenlightsIO on Twitter for updates. Available Now!