若RAM芯片内有1024个单元,用单译码方式,地址译码器有____条输出线;用双译码方式,地址译码器有____条输出线。
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The technology uses a pen to _______ a computer.
A. manipulate
B. manufacture
C. grind
D. guarantee
The oil price increases sent Europe into deep _____.
A. recession
B. realm
C. perspective
D. suspension
The situation poses a _______ threat to world peace.
A. strict
B. grave
C. practical
D. normal
Clearly, from the schools’ perspective, there’s a lot of money to be saved.Perspective means ______
A. impact
B. impression
C. view
D. motivation