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多处理机上两个程序段之间若有先写后读的数据相关,则( )

单选题
2021-09-01 23:47
A、可以并行执行
B、不可能并行
C、任何情况均可交换串行
D、必须并行执行
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正确答案
B

试题解析

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多处理机上两个程序段之间若有先写后读的数据相关,则( )
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下列程序段运行后窗体上输出结果为( )。 Private Sub Command1 Click() a=5:b=4:c=3:d=2 X=3>2*b Or a=c And b<>C Or c>d Print X End Sub
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