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【简答题】
DMA方式有何特点?什么样的I/O设备与主机交换信息时采用DMA方式?举例说明。
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参考答案:
举一反三
【单选题】Meeting my uncle after all these year was an unforgettable moment ,_______I will always remember.
A.
that
B.
one
C.
it
D.
what
【简答题】You can’t always predict a heavy rain or remember your umbrella. But designer Mikhail Belvacv doesn’t think that forgetting to check the weather forecast before heading out should result in you gettin...
【简答题】You can’t always predict a heavy rain or remember your umbrella. But designer Mikhail Belyaev doesn’t think that forgetting to check the weather forecast before heading out should result in you gettin...
【单选题】已知全集 U= { 1,2,3,4,5,6 },集合 A= { 2,3 }, [ U B= { 1,4,5 },则( [ U A) ∪ B= ( )
A.
U
B.
{ 1,2,4,5,6 }
C.
{ 1,3 , 4,5 }
D.
{ 2,3,4,5,6 }
【简答题】已知全集U={1,2,3,4,5,6,7},A={2,4,5},则C U A=______.
【简答题】在Word中.所有段落格式的排版可以通过( )菜单来实现。
【简答题】You can’t always predict a heavy rain or remember your umbrella. But designer Mikhail Belvacv doesn’t think that forgetting to check the weather report before heading out should result in you getting ...
【判断题】在PPT中可以通过“插入”菜单添加word文件。
A.
正确
B.
错误
【单选题】Mike is always forgetful. Please remember to remind him _____ the important interview _____ he won't miss it. [     ]
A.
of; so that
B.
about; in order to
C.
of; because
D.
about; because of
【单选题】Always remember to put such dangerous things as knives out of children’s ________.                                                                     (2011·四川,13)
A.
touch
B.
sight
C.
reach
D.
distance
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