题目内容
(请给出正确答案)
[单选题]
设D=(V,A)为有向图,其中V={(1,2),(1,4),(2,3),(2,4),(3,4),(3,5),(4,1),(5,6)},则D有()个强连通分量。
A.1
B.2
C.3
D.4
答案
i ∑ =I 0 +I 1 +I 2 +I 3 = = V o =-i ∑ R F =- (2 0 D 0 +2 1 D 1 +2 2 D 2 +2 3 D 3 ) 当D 3 D 2 D 1 D 0 =1111时 当D 3 D 2 D 1 D 0 =0000时 V o =0 所以,V o 的输出范围为-0.09375~0V$V o = =-0.05125(V)
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