LED stands for _____?
ایل ای ڈی کا مطلب ہے؟
- Light Emitting Diode
- Laser Emitting Device
- Low Energy Device
- Liquid Emitting Display
Explanation
- LED (Light Emitting Diode) is a semiconductor device that emits light when electric current passes through it.
- It is widely used in lighting, displays, electronic indicators, and screens.
Additional information:
- Energy efficiency: Up to 90% more efficient than traditional bulbsFirst discovery: H. J. Round – 1907Early research: Oleg Losev – 1927Practical LED development: James R. Biard – 1961First commercial production: October 1962 (Nick Holonyak)
Last verified on 12-03-2026
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اس سوال کو وضاحت کے ساتھ پڑھیں
- International Mobile Electronic Identifier
- International Mobile Equipment Identity
- Internal Mobile Equipment
- Identifier International Media Equipment Identity
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- Personal Data Access
- Personal Digital Assistant
- Public Digital Assistant
- Personal Device Application
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کمپیوٹر کا مطلب ہے ________؟
- Competent Operated Machine Particularly Used for Technical Education and Research
- Commonly Operated Machine Particularly Used for Technical Education and Research
- Commonly Operated Machine Particularly Used for Trade Education and Research
- Commonly Operated Machine Particularly Used for Technical Electron and Research
اس سوال کو وضاحت کے ساتھ پڑھیں
سی پی یو کا مطلب کیا ہے؟
- Central Processing Unit
- Central Procedural Unit
- Central Processing Unique
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
