Question
LED is a digital display used in calculators, watches etc. LED stands for :
The correct answer is
Light Emitting Diode
The question is asking for the full form of the acronym "LED" as used in devices like calculators and watches. Let's analyze each option to determine the correct answer:
- Light Emitting Display: While this option shares some words with the correct term, it doesn't capture the essence of what LED actually stands for. LED is not primarily referred to as a "display" entity.
- Liquid Electronic Display: This option does not relate to the acronym LED. It seems to confuse components of Liquid Crystal Displays (LCDs), which are different from LEDs.
- Light Emitting Diode: This is the correct expansion of LED. LEDs are semiconductor diodes that emit light when an electric current passes through them. They are extensively used in a variety of applications, including digital displays.
- Liquid Electronic Diode: This option mixes concepts incorrectly and does not align with the known terminology for LEDs.
The acronym "LED" stands for Light Emitting Diode, which fully describes the nature and technology behind LEDs.
Therefore, the correct answer is Light Emitting Diode.
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