若显示器的（ ）越高，则屏幕上图像的闪烁感越小，图像越稳定，视觉效果越好。
- A.分辨率
- B.刷新频率
- C.色深
- D.显存容量
正确答案及解析
正确答案
解析
本题考察多媒体图像基础知识。
刷新频率是指图像在显示器上更新的速度，也就是图像每秒在屏幕上出现的帧数，单位为Hz。刷新频率越高，屏幕上图像的闪烁感就越小，图像越稳定，视觉效果也越好。一般刷新频率在75Hz以上时，影像的闪烁才不易被人眼察觉。这个性能指标主要取决于显示卡上RAMDAC的转换速度。
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