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A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.

OR指令的作用是:(  )  
 OR指令的作用是:( )
OR指令的作用是:( )
指令ORS功能,可实现多个指令块的“与”运算。
OR指令的作用是:(  )
A cabinet or space containing the controls or valves for the fixed firefighting system must be().
A cabinet or space containing the controls or valves for the fixed firefighting system must be().
下列那条指令可将A的最高位置1,而其他位不变。
下列那条指令可以将A的最高位清零,而其他位不变。
下列哪条指令可将累加器A最高位清零 。
_________ in a person’s speech or writing usually ranges on a continuum from casual or colloquial to formal or polite according to the type of communicative situation.
中断自动结束方式是自动将8256A( )相应位清零。
在应用ORS液的过程中,错误的是()
CASE OF DEATH OR SERIOUS INJURY TO A PERSON IN AN ACCIDENT OR SHIPPING DISASTER is().
The Urgency Signal()indicates that the station calling has a very urgent message to transmit concerning the safety of a ship or aircraft,or of some person on board or within sight.
完成AL寄存器与CF标志位清零的指令是()。
写出累加器A的低2位清零,其余位不变的指令。
若对某一寄存器某几位清零,可用一条指令(42)处理。
设a=5,b=4,c=3,d=2,下列表达式的值是 3>2*b Or a=c And b<>C Or c>d
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