220-801 · Question #188
Which of the following displays has the HIGHEST Hz frequency?
The correct answer is A. Plasma. Plasma displays achieve the highest effective refresh rates through sub-field driving technology, which can reach up to 600Hz.
Question
Which of the following displays has the HIGHEST Hz frequency?
Options
- APlasma
- BLED
- CCRT
- DLCD
How the community answered
(29 responses)- A86% (25)
- B10% (3)
- C3% (1)
Why each option
Plasma displays achieve the highest effective refresh rates through sub-field driving technology, which can reach up to 600Hz.
Plasma panels use a sub-field addressing technique in which each frame is divided into multiple sub-fields that are illuminated in rapid succession, producing effective refresh rates marketed at up to 600Hz. This surpasses the typical 60-240Hz native rates of LCD and LED panels.
LED displays are a backlight variant of LCD technology and are typically limited to 60-240Hz refresh rates in consumer configurations.
While CRT monitors can run at high refresh rates (up to ~160Hz), this is lower than the effective sub-field refresh rates marketed for plasma displays.
Standard LCD panels refresh at 60-144Hz, which is lower than the effective refresh rate achieved by plasma sub-field technology.
Concept tested: Display technology refresh rate comparison
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