n个触发器可以构成能寄存 位二进制数码的寄存器。
A. n-1
B. n
C. n+1
D. 2n
移位寄存器74194要进行右移操作应使 。
A. S1S0=00
B. S1S0=01
C. S1S0=10
D. S1S0=11
移位寄存器74194要按照3暗1亮的亮灯顺序进行循环右移操作,应使预置数据输入端D3D2D1D0接。
A. 1110
B. 1111
C. 1001
D. 0001
News 2 Questions 3 to 5 will be based on the following news item.Q 3 ：What has Conanda passed according to the news report?
A resolution to ban advertising towards children.
B. The Consumer Defense Code.
C. Human Rights of Brazil.
D. The Statute of Children and Adolescents.
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