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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