Mobile DevicesPregunta 48 de 100
What does a laptop's inverter historically provide power to on older LCD screens?
a.The keyboard backlight
b.The webcam
c.The trackpad
d.The CCFL backlight
Explicación
On older laptops the inverter supplied high voltage to the cold-cathode fluorescent (CCFL) backlight. Modern LED-backlit panels no longer need an inverter.
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