COMPUTER FUNDAMENTALS

COMPUTER HARDWARE

OUTPUT DEVICES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Flat panel display that uses an array of light-emitting diodes as pixels
A
LED Screen
B
Headphones
C
3D Cutter
D
CAD/CAM
Explanation: 

Detailed explanation-1: -A LED display is a flat panel display that uses an array of light-emitting diodes as pixels for a video display. Their brightness allows them to be used outdoors where they are visible in the sun for store signs and billboards.

Detailed explanation-2: -A flat-panel display (FPD) is an electronic display used to display visual content such as text or images. It is present in consumer, medical, transportation, and industrial equipment.

Detailed explanation-3: -An LED-backlit LCD is a liquid-crystal display that uses LEDs for backlighting instead of traditional cold cathode fluorescent (CCFL) backlighting. LED-backlit displays use the same TFT LCD (thin-film-transistor liquid-crystal display) technologies as CCFL-backlit LCDs, but offer a variety of advantages over them.

Detailed explanation-4: -LED Displays (Light-Emitting Diode) In essence, the LED display is an LCD as it uses the same liquid diode technology but uses light-emitting diodes to backlight instead of cold cathode fluorescent (CCFL) backlighting.

Detailed explanation-5: -Types of displays as per performance Text display: This is a single primary LED display screen. Image display: This is a double primary LED display screen. Digital display: This is a seven-segment digital Nixie tube, used in clock displays, interest rate screens and other digital displays.

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