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軟件設(shè)計(jì)師每日一練試題內(nèi)容(2022/11/25)
試題1
People are i ndulging in an illusion whenever t hey find themselves explaining at a cocktail(雞尾酒) 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(緊密聯(lián)系在一起的工作小組), 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(恐懼) or why Susan is dissatisfied with the company after only a few months. Human interactions are complicated and never very crisp(干脆的,干凈利落的) 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(雜耍人物) 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
試題參考答案:C、A、B、A、B
試題2
PC 機(jī)處理的音頻信號(hào)主要是人耳能聽(tīng)得到的音頻信號(hào), 它的頻率范圍是 ( ) 。
A、300Hz~3400Hz
B、20Hz~20KHz
C、10Hz~20KHz
D、20Hz~44KHz
查看答案
試題參考答案:B
試題3
如下所示的 UML 狀態(tài)圖中,( )時(shí),不一定會(huì)離開(kāi)狀態(tài) B。
A.狀態(tài) B 中的兩個(gè)結(jié)束狀態(tài)均達(dá)到
B.在當(dāng)前狀態(tài)為 B2 時(shí),事件 e2 發(fā)生
C.事件 e2 發(fā)生
D.事件 el 發(fā)生
查看答案
試題參考答案:C
試題4
給定關(guān)系R (U,F),其中U={A,B,C,D,E,H},F(xiàn)={A→B,B→DH,A→H,C→E}。關(guān)系有( ),F(xiàn)中( )。查看答案
試題參考答案:C、D
試題5
如果子網(wǎng)172.6.32.0/20被劃分為子網(wǎng)172.6.32.0/26,則下面的結(jié)論中正確的是()。
A.被劃分為62個(gè)子網(wǎng)
B.每個(gè)子網(wǎng)有64個(gè)主機(jī)地址
C.被劃分為32個(gè)子網(wǎng)
D.每個(gè)子網(wǎng)有62個(gè)主機(jī)地址
查看答案
試題參考答案:D
試題6
Telnet協(xié)議是一種()的遠(yuǎn)程登錄協(xié)議。查看答案
試題參考答案:C
試題7
棧的特點(diǎn)是后進(jìn)先出,若用單鏈表作為棧的存儲(chǔ)結(jié)構(gòu),并用頭指針作為棧頂指針,則( )。查看答案
試題參考答案:A
試題8
若有數(shù)組聲明a[0..3,0..2,1..4], 設(shè)編譯時(shí) 為a分配的存儲(chǔ)空間首地址為base_a,且每個(gè)數(shù)組元素占據(jù)一個(gè)存儲(chǔ)單元。當(dāng)元素以行為序存放(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]順序存儲(chǔ)),則數(shù)組元素a[2,2,2]在其存儲(chǔ)空間中相對(duì)base_a 的偏移量是 ( ) 。
A、8
B、12
C、33
D、48
查看答案
試題參考答案:C
試題9
在13個(gè)元素構(gòu)成的有序表A[1..13]中進(jìn)行折半查找(或稱為二分查找,向下取整)。那么以下敘述中,錯(cuò)誤的是( )。
A.無(wú)論要查找哪個(gè)元素,都是先與A[7]進(jìn)行比較
B.若要查找的元素等于A[9],則分別需與A[7]、A[11]、A[9]進(jìn)行比較
C.無(wú)論要查找的元素是否在A[]中,最多與表中的4個(gè)元素比較即可
D.若待查找的元素不在A[]中,最少需要與表中的3個(gè)元素進(jìn)行比較
查看答案
試題參考答案:B
試題10
若浮點(diǎn)數(shù)的階碼用移碼表示,尾數(shù)用補(bǔ)碼表示。兩規(guī)格化浮點(diǎn)數(shù)相乘,最后對(duì)結(jié)果規(guī)格化時(shí),右規(guī)的右移位數(shù)最多為( )位。
A、1
B、2
C、尾數(shù)位數(shù)
D、尾數(shù)位數(shù)-1
查看答案
試題參考答案:A
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