for an 16-line-to-4-line priority encoder consist with two 74ls148 in the figure, if the o
For an 16-line-to-4-line priority encoder consist with two 74LS148 in the figure, if the output is 0011, which digit input (15~0)is encoded(______)? 由两个74LS148构成的16线-4线优先编码器如图所示。如果输出是0011,是对哪个数字输入端进行的编码(______)?
A、11
B、3
C、4
D、12