有一个左移移位寄存器,当预先置入1011后,其串行输入固定接0,在4个移位脉冲CP作用下,四位数据的移位过程是()。
A. 1011--0110--1100--1000--0000
B. 1011--0101--0010--0001--0000
C. 1011--1100--1101--1110--1111
D. 1011--1010--1001--1000--0111
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ou have a server that runs Windows Server 2003 Service Pack 2 (SP2).You need to view a list of current TCP/IP network connections. The list should refresh itself every 30 seconds.What should you do?()
A. From the System Monitor snap-in, click View Report.
B. From the command prompt, run Netstat.exe 30.
C. From the Performance Logs and Alerts snap-in, create a new counter log.
D. From Task Manager, open the Network tab. Select Show Cumulative Data.&e