下列关于显示器的说法中,错误的是( )。
A.根据显示原理的不同,它可以分为CRT、LCD、LED等多种
B.显示器是最常用的输出设备
C.CRT显示器的优点在于色彩清晰、辐射弱
D.CRT显示器主要器件为阴极射线管
正确答案是C
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Passage five Animal life first appeared on the earthabout 400 million years ago. Through the passing millennia, thousands of animalspecies have come and gone. Until recently, this process was gradual, theresult of changes
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