Tag Archives: blinking

Lighted_buttons_on_control_panel

Back in the day when mainframe computers grinded away for hours or days processing what, by today’s standards, is relatively small amounts of data, lights blinked and flashed on the computer face. These indicators intended to help operators understand the mysterious interworking of the machine were nearly unintelligible, but pretty to look at. Humorous labels and placards (often in a fake German-like English) about the “blinkenlights” found their way onto many mainframes during the 1950s and 1960s, and the moniker is still in use by some computer geeks and hackers today. Although joked about in some circles, blinking information is an essential part of many human-machine systems, and their design and use in warning systems and alerts is no laughing matter. A pilot faced with a mechanical problem, a medical technician operating an electrocardiogram, or just you or I driving our car down the road are dependant upon well designed, … Continue reading

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