单项选择题
下图所示逻辑图输出为“1”时,输入变量()ABCD 取值组合为
A.0000 B.0101 C.1110 D.1111
A.(01000011)2 B.(01010011)2 C.(10000011)2 D.(000100110001)2
A.数—模转换器B.DACC.D/A转换器D.ADC