What are the advantages of an interlaced monitor?

Answer:

A method of refreshing the image on a monitor. Instead of refreshing the entire image (non-interlaced), an interlaced monitor refreshes the odd-numbered scan lines first, then refreshes the even-numbered scan lines on the second pass. This reduces the amount of new information that has to be passed on each sweep, but causes almost unnoticeable flicker, that can result in eye fatigue.

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