Difference between revisions of "Indicator light"

From Computer History Wiki
Jump to: navigation, search
(Stubbish; not much more to say?)
 
(No difference)

Latest revision as of 08:58, 11 August 2023

An indicator light is a visual display that reflects some state inside a computer, often arranged in groups on panels or on an operator console. Usually, incandescent light bulbs or light emitting diodes were used. The lights are helpful for diagnosing problems, or when using switches to manually toggle in a program.