What does the abbreviation LED represent in screen backlighting technology? MCQ with Answer and Explanation

What does the abbreviation LED represent in screen backlighting technology?
A. Low Energy Diode
B. Light Emitting Diode
C. Liquid Emitting Diode
D. Light Electronic Display
Answer: Option B
Solution (By JKExamLibrary)
LED stands for Light Emitting Diode. It is a semiconductor light source that emits light when current flows through it.

This question belongs to: Computer Computer Abbreviations

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Practice More Computer Abbreviations Questions

Question #1 Report Error
What does the digital text capture technology abbreviation OCR represent?
A. Optimal Character Reader
B. Optical Code Recognition
C. Operational Character Registry
D. Optical Character Recognition

Correct Answer: Option D


Explanation:
The scanning acronym OCR translates into Optical Character Recognition, identifying alphanumeric layout nodes out of flat image streams.

This question belongs to: Computer Computer Abbreviations
Question #2 Report Error
What does the standard memory chip abbreviation PROM stand for?
A. Peripheral Read-Only Memory
B. Programmable Read-Only Memory
C. Primary Read-Only Memory
D. Process Read-Only Memory

Correct Answer: Option B


Explanation:
PROM stands for Programmable Read-Only Memory. It is a blank non-volatile chip that can be custom programmed exactly once by a user or developer using a specialized hardware burner.

This question belongs to: Computer Computer Abbreviations
Question #3 Report Error
What does the letter 'U' stand for in the connection specification USB?
A. Unit
B. Universal
C. User
D. Unified

Correct Answer: Option B


Explanation:
In USB (Universal Serial Bus), the letter 'U' stands for Universal.

This question belongs to: Computer Computer Abbreviations