首页/ 题库 / [单选题]uCOS-1中对关键代码段由于希望在执行的答案

uCOS-1中对关键代码段由于希望在执行的过程中不被中断干扰，通常采用关中断的方式，以下x86汇编代码正确而且不会改变关中断之前的中断开关状态的是（）。

单选题
2021-09-01 19:47
A、先CLI、执行关键代码、再STI
B、先STI、执行关键代码、再CLI
C、先POPF，CLI、执行关键代码、再PUSHF
D、先PUSHF，CLI、执行关键代码、再POPF
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正确答案
D
试题解析
标签： 联大 河南科技大学 嵌入式 与结构
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The （） is used for hauling in or letting out the wires or ropes.
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The（）may examine or re-examine the goods or take samples from them straightaway in the absence of the consignee or the consignor whenever it considers this necessary.
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Banks have no liability for any delay or loss caused by postal or telex failure.
逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。
逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。
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uCOS-1中对关键代码段由于希望在执行的过程中不被中断干扰，通常采用关中断的方式，以下x86汇编代码正确而且不会改变关中断之前的中断开关状态的是（）。
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HTML代码表示（）。
HTML代码表示（）
（）shall be liable for loss of and damage to the Vessel and／or goods arising or resulting from inaccuracies in stating the description，quantity，weight，measurement or contents.
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