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软件设计师每日一练试题内容(2022/11/25)
试题1
People are i ndulging in an illusion whenever t hey find themselves explaining at a cocktail(鸡尾酒) party, say, that they are "i n computers," or "in telecommunications," or "in electronic funds transfer". The implication is that they are part of the high-tech world. Just between us, they usually aren't. The researchers who made fundamental breakthroughs in those areas are in a high-tech busi ness. The rest of us are (1) of their work. We use computers and other new t echnology components to develop our products or to organize our affairs. Because we go about this work in teams and projects and other tightly knit working groups(紧密联系在一起的工作小组), we are mostl y in the human communication business. Our successes stem
from good human int eractions by all participants in the effort, and our failures stem from poor human interactions.
The main reason we tend to focus on t he (2) rather t han the human side of the work is
not because it's more (3) , but because it's easier to do. Getting the new disk drive installed is positively trivial compared t o figuring out why Horace is in a blue funk(恐惧) or why Susan is dissatisfied with the company after only a few months. Human interactions are complicated and never very crisp(干脆的,干净利落的) and clean in their effects, but they matter more than any other aspect of the work.
If you find yourself concentrating on the (4) rather than the (5), you're like t he
vaudeville character(杂耍人物) who loses his keys on a dark street and looks for them on t he adjacent street because, as he explains, "The light is better there!".
(1)A、creators
B、innovators
C、appliers
D、inventors
(2)A、technical
B、classical
C、social
D、societal
(3)A、trivial
B、crucial
C、minor
D、insignificant
(4)A、technology
B、sociology
C、physiology
D、astronomy
(5)A、technology
B、sociology
C、physiology
D、astronomy
查看答案
试题参考答案:C、A、B、A、B
试题解析与讨论:www.cnitpm.com/st/83762884.html
试题2
PC 机处理的音频信号主要是人耳能听得到的音频信号, 它的频率范围是 ( ) 。
A、300Hz~3400Hz
B、20Hz~20KHz
C、10Hz~20KHz
D、20Hz~44KHz
查看答案
试题参考答案:B
试题解析与讨论:www.cnitpm.com/st/81602810.html
试题3
如下所示的 UML 状态图中,( )时,不一定会离开状态 B。
A.状态 B 中的两个结束状态均达到
B.在当前状态为 B2 时,事件 e2 发生
C.事件 e2 发生
D.事件 el 发生
查看答案
试题参考答案:C
试题4
给定关系R (U,F),其中U={A,B,C,D,E,H},F={A→B,B→DH,A→H,C→E}。关系有( ),F中( )。查看答案
试题参考答案:C、D
试题解析与讨论:www.cnitpm.com/st/454818069.html
试题5
如果子网172.6.32.0/20被划分为子网172.6.32.0/26,则下面的结论中正确的是()。
A.被划分为62个子网
B.每个子网有64个主机地址
C.被划分为32个子网
D.每个子网有62个主机地址
查看答案
试题参考答案:D
试题解析与讨论:www.cnitpm.com/st/247888336.html
试题6
Telnet协议是一种()的远程登录协议。查看答案
试题参考答案:C
试题7
栈的特点是后进先出,若用单链表作为栈的存储结构,并用头指针作为栈顶指针,则( )。查看答案
试题参考答案:A
试题8
若有数组声明a[0..3,0..2,1..4], 设编译时 为a分配的存储空间首地址为base_a,且每个数组元素占据一个存储单元。当元素以行为序存放(即按a[0,0,1],a[0,0,2],a[0,0,3],a[0,0,4],a[0,1,1],a[0,1,2],…,a[3,2,4]顺序存储),则数组元素a[2,2,2]在其存储空间中相对base_a 的偏移量是 ( ) 。
A、8
B、12
C、33
D、48
查看答案
试题参考答案:C
试题解析与讨论:www.cnitpm.com/st/80772781.html
试题9
在13个元素构成的有序表A[1..13]中进行折半查找(或称为二分查找,向下取整)。那么以下叙述中,错误的是( )。
A.无论要查找哪个元素,都是先与A[7]进行比较
B.若要查找的元素等于A[9],则分别需与A[7]、A[11]、A[9]进行比较
C.无论要查找的元素是否在A[]中,最多与表中的4个元素比较即可
D.若待查找的元素不在A[]中,最少需要与表中的3个元素进行比较
查看答案
试题参考答案:B
试题10
若浮点数的阶码用移码表示,尾数用补码表示。两规格化浮点数相乘,最后对结果规格化时,右规的右移位数最多为( )位。
A、1
B、2
C、尾数位数
D、尾数位数-1
查看答案
试题参考答案:A
试题解析与讨论:www.cnitpm.com/st/78172692.html
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