|See also mileometer a device fitted to a vehicle to measure and display the speed of travel|
speedometern. A pattern of lights displayed on a linear set of LEDs (today) or nixie tubes (yesterday, on ancient mainframes). The pattern is shifted left every N times the operating system goes through its main loop. A swiftly moving pattern indicates that the system is mostly idle; the speedometer slows down as the system becomes overloaded. The speedometer on Sun Microsystems hardware bounces back and forth like the eyes on one of the Cylons from the wretched "Battlestar Galactica" TV series.
instrument that indicates the speed of a vehicle, usually combined with a device known as an odometer that records the distance traveled.
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