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.
Q 4 ：What is Conanda Resolution 163 about?
A. Point-of-sale presentations directed at children is legal.
B. Selling any product or service to children is prohibited.
C. All advertising directed at children is abusive.
D. Radio sports are considered as illegal to children.
Q 5 ：According to the resolution, which of the following methods of marketing to children is prohibited?
A. Print ads.
B. Television.
C. commercials.
D. All of the above.
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