| Short for
Light-Emitting Diode, LED is a special type of semiconductor that illuminates when an electrical charge passes through
it. LEDs are commonly green or red; however can be an assortment of
other colors. A good example of a LED is the
led status indicators on your keyboard for
Num lock, Caps lock and
Scroll Lock as shown in the below
picture. In this pciture the blue LED is lit on the keyboard to
indicate the Num Lock is enabled.
Also see: Access light, Amber, Electronics
definitions, Green, OLED,
Orange, Red
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