2022构美期末考试答案

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1、Gray code is one kind of reliability code. True or False?
答案：

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2、The BCD number for decimal 473 is
答案：010001110011
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3、曾经写诗说“吾爱孟夫子，风流天下闻”的著名诗人是【 】

曾经写诗说“吾爱孟夫子，风流天下闻”的著名诗人是【 】
A.李白
B.杜甫
C.白居易
D.苏轼
答案：A
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4、According to DeMorgan’s theorems, the complement of a product of variables is equal to a. the complement of the sum b. the sum of the complements c. the product of the complements d. answers (a), (b), and (c)
答案：the sum of the complements
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5、A pulse in a certain waveform occurs every 10ms. The frequency is
答案：100Hz
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6、象函数的收敛域不可能是（ ）

如图所示，不可能是函数图象的是（）
A．
B．
C．
D．








答案：在D项中，取x=1，则对应有两个y值，所以D项不可能是函数y=f（x）的图象．故选D．
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7、在混凝土结构设计中，可用功能函数Z来判别混凝土结构的工作状态，当Z<0时，结构处于可靠状态。
答案：错
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8、Which department is the branch of interpreting laws in the United States?
A、The executive
B、The President
C、The Judicial
D、The Legislature
答案：The Judicial
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9、The decimal number system is a weighted system with ten digits. True or False?
答案：【计分规则】: True
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10、A digital quantity has ten discrete values.
A:正确 B:错误
答案：错误
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11、提出“基态”和“激发态”这两个概念的科学家是_________。
A、德布罗意
B、玻尔
C、海森堡
D、薛定谔
答案：玻尔
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12、Determine the weight of the 1 in the binary number 10000.
A: 4 B:16 C:8 D:10
答案：16
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13、The term bit is short for binary digit.
答案：正确
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14、钢筋经冷拉后,强度和塑性均可提高。

钢筋经冷拉后，强度和塑性均可提高。( )
答案：错误
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15、What is the storage capacity of a Register?
答案：A digital circuit for data storage and movement. “shift capacity” refers to movement of data within or into/out of the register.
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