2. 职称英语
  3. From the passage we learn how a digital camera works with some principles and pr

From the passage we learn how a digital camera works with some principles and pr

游客2023-08-03  43
问题 From the passage we learn how a digital camera works with some principles and processes. [br] The great difference between CCD and CMOS is that CCD needs ADC while CMOS not.
选项 A、Y
B、N
C、NG
答案 A
解析 由题干CCD，CMOS和ADC可定位至第二个小标题下第三、四段。该部分主要介绍原理特点：CCD需要将采集到的模拟电荷转化成二进制信号，因而需要ADC；而CMOS每一个采样点都是用晶体管直接采集成数字信号，故不需要。由此可知题干陈述正确。
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