A semiconductor device that converts electrical energy into light, used, for example, for the activity lights on computer disk drives. Light-emitting diodes work on the principle of electroluminescence and are highly efficient, producing little heat for the amount of light output.
ความหมายอื่น ๆ :
a rectifying semiconductor device
(physics) a rectifying semiconductor device which converts electrical energy into electromagnetic radiation of a wavelength in or near the visible spectrum of light.
Normally the modem waits for a dial tone from your phone line, indicating that it can start to dial a number. If your modem does not recognize this sound, or your local phone system does not emit such a tone, uncheck this option Default:: On
If you check this option, pressing and holding down a key emits the same character over and over again. For example, pressing and holding down the Tab key will have the same effect as that of pressing that key several times in succession: Tab characters continue to be emitted until you release the key