"A refresh rate, also known as frame rate, is the number of times a TV screen displays an image per second. Measured in hertz, there is a very complicated formula that electrical engineers use to calculate refresh rates, but it's easier to imagine your TV as a very fancy slideshow projector, with each frame a separate still image."
"Even the most basic modern television will have a base refresh rate of 60Hz, the same as in ancient cathode-ray tube models. But modern TVs can produce 4K images densely packed with visual information, whereas older CRT models maxed out at 480p with vastly inferior contrast and color accuracy."
Refresh rate, measured in hertz, indicates how many times a TV displays an image per second. Modern smart TVs typically have refresh rates starting at 60Hz, which is sufficient for basic viewing needs. Higher refresh rates are becoming common, especially in high-end models, but the actual impact on picture quality can vary. Understanding refresh rates helps consumers choose the right TV for their entertainment preferences, whether for sports or gaming.
Read at ZDNET
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