若要实现数据的并行输入/串行输出，则可以选择以下的（）。
A. 数码寄存器
B. 移位寄存器
C. 数据选择器
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A technician is troubleshooting a network connectivity issue on a MFD and would like to eliminate the possibility of another device on the network having the same IP address. The technician should：（）
A. disconnect the MFD and ping the IP address.
B. disconnect the MFD and ping the subnet mask.
C. disconnect the MFD and ping the loopback address.
D. run the ipconfig command from the command prompt.
安全阀调整时，起跳压力一般为操作允许最高压力的（）。
A. 1.1-1.2倍
B. 1.05-1.2倍
C. 1.05-1.1倍
D. 1.0-1.2倍
决策支持系统主要支持哪种类型的管理决策活动（）
A. 结构化问题
B. 半结构化问题
C. 非结构化问题
D. 非结构化简单问题
When onsite repairing a printer the technicians cell phone rings and it is a personal call， how should the technician handle this？（）
Answer the call and talk to your friend at the customer site.
B. Answer the call and tell the friend you will call them later.
C. Let it go to voicemail， call them back between service calls.
D. Let it ring and call the friend back when the customer leaves.
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