Display Devices | MCQs

Explanation

A Light Emitting Diode (LED)

A light-emitting diode is a semiconductor device that emits light when current flows through it

LED lighting products produce light up to 90% 

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Invented:

H. J. Round (1907);

Oleg Losev (1927);

James R. Biard (1961);

Nick Holonyak (1962)

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First production: October 1962

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VU FIA CBT  14-12-2021

ND5-5-2023

Explanation

The basic unit of programmable color on a computer display or in a computer image. Pixel is also define as dots per inch, which indicates the resolution of an image.

Explanation

Flat panel displays are used to provide the alpha-numeric display information on laptop computers, automobile and airplane instrument panels, calculators, gas pumps, and many other products requiring the digital display of information.

Liquid crystal displays (LCDs) are by far the most prevalent FPD in use today.

Explanation

VDU: Visual Display Unit

Explanation

An output device is any device used to send data from a computer to another device or user.

Explanation

Two of the most common types of flat panel displays incorporate separate technologies:

the liquid crystal display, or LCD

plasma display panel (PDP).