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搜题/搜资源
【简答题】【消耗次数:1】
要组成容量为4K*8位的存储器,需要几片4K×1位的芯片并联?
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相关题目
【简答题】
要组成容量为4K*8位的存储器,需要[填空1]片4K×1位的芯片并联,或者需要[填空2]片1K×8位的芯片串联。
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【判断题】
片外程序存储器选用2732,容量为4K*8位。
①
正确
②
错误
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【判断题】
8051内部有4K的程序存储器。
①
正确
②
错误
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【单选题】
某存储器芯片的存储容量为8K×12位,则它的地址线为_C___。
①
11
②
12
③
13
④
14
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【单选题】
一片容量为4K×8的RAM,其地址线有( )根。
①
8
②
12
③
16
④
32
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【单选题】
某存储器容量为32K*16 位,则()
①
地址线为32 根,数据线为16 根
②
地址线为16 根,数据线为32 根
③
地址线为15 根,数据线为16 根
④
地址线为16 根,数据线为16根
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【判断题】
已知X只取-1,1,5,相应的概率为1/(2k),1/(4k),1/(8k)则常数k=7/8.
①
正确
②
错误
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【判断题】
已知X只取-1,1,5,相应的概率为1/(2k),1/(4k),1/(8k)则常数k=1.
①
正确
②
错误
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【单选题】
存储器容量为64K8的芯片,其地址线的根数为( )
①
24
②
20
③
16
④
8
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【单选题】
存储器容量为64K*8的芯片,其地址线的根数为()
①
24
②
20
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16
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8
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随机题目
【单选题】
Individual lines of the poem were very beautiful, but I didn’t see how the lines fit together. To me, the poem wasnt _____.
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inherent
②
coherent
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logical
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corporate
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【单选题】
This book has been in the works so long that I have lost _____of most of the sources found for me by the staff of the library.
①
trace
②
trail
③
track
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touch
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【单选题】
_____ for a long time, the fields are all dried up.
①
There has been no rain
②
Having no rain
③
There having been no rain
④
There being no rain
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【单选题】
She often says her greatest happiness _____serving the handicapped children.
①
relies on
②
consists in
③
composes of
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comprises in
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【单选题】
_____ me most was that the young boy who had lost both arms in an accident could handle a pen with his feet.
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That amazed
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It amazed
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Which amazed
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What amazed
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【单选题】
We will be losing money this year unless new economic plan of yours _____miracle
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is working
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works
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will be working
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worked
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【单选题】
If you have never planted anything, you won’t be able to know the pleasure of watching the thing you have planted _____.
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grow
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to grow
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growing
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to be growing
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【单选题】
Following are comments about the behavior that people in Korea usually expect in various social _____.
①
occasions
②
cases
③
situations
④
circumstances
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【单选题】
The elbows on your coat have worn thin, so I must _____them.
①
mend
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patch
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repair
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pitch
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【单选题】
Mac’s close _____to his brother made people mistake them for one another.
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resemblance
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identity
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appearance
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relationship
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