SR双稳态触发器,在置位(S)和复位(R1)信号同时为1时,复位优先。()
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“复位位域”指令RESET_BF将指定的地址开始的连续的若干个位地址复位。()
A. 对
B. 错
以下哪个标记用在HTML文档中来指示浏览器有关html 的版本信息？
A.
B.
C.
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