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軟件設(shè)計(jì)師每日一練試題內(nèi)容(2023/3/24)
試題1
欲動(dòng)態(tài)地給一個(gè)對象添加職責(zé),宜采用()模式。
A.適配器(Adapter)
B.橋接(Bridge)
C.組合(Composite)
D.裝飾器(Decorator)
查看答案
試題參考答案:D
試題2
以下關(guān)于m階B-樹的說法中,錯(cuò)誤的是()查看答案
試題參考答案:D
試題3
采用循環(huán)隊(duì)列的優(yōu)點(diǎn)是( )查看答案
試題參考答案:A
試題4
計(jì)算機(jī)運(yùn)行過程中,CPU需要與外設(shè)進(jìn)行數(shù)據(jù)交換。采用()控制技術(shù)時(shí),CPU與外設(shè)可并行工作。查看答案
試題參考答案:B
試題5
設(shè)有關(guān)系模式 R(課程,教師,學(xué)生,成績,時(shí)間,教室),其中函數(shù)依賴集 F 如下:
F={課程→→教師,(學(xué)生,課程)→成績,(時(shí)間,教室)→課程,
(時(shí)間,教師)→教室,(時(shí)間,學(xué)生)→教室}
關(guān)系模式 R 的一個(gè)主鍵是 (1) ,R 規(guī)范化程度最高達(dá)到 (2) 。若將關(guān)系模式 R 分解為 3 個(gè)關(guān)系模式 R1(課程,教師)、R2(學(xué)生,課程,成績)、R3(學(xué)生,時(shí)間,教室,課程 ),其中 R2 的規(guī)范化程度最高達(dá)到 (3) 。
(1)A、(學(xué)生,課程)
B、(時(shí)間,教室)
C、(時(shí)間,教師)
D、(時(shí)間,學(xué)生)
(2)A、1NF
B、2NF
C、3NF
D、BCNF
(3)A、2NF
B、3NF
C、BCNF
D、4NF
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試題參考答案:D、B、C
試題6
Ravi, like many project (1) , had studied the waterfall model of software development as the primary software life-cycle (2). He was all set to use it for an upcoming project, his first assignment. However, Ravi found that the waterfall model could not be used because the customer wanted the software delivered in stages, something that implied that the system had to be delivered and built in (3) and not as (4).
The situation in many other projects is not very different. The real world rarely presents a problem in which a standard process, or the process used in a previous project, is the best choice. To be the most suitable, an existing process must be (5) to the new problem.
A development process, even after tailoring, generally cannot handle change requests. To accommodate change requests without losing control of the project, you must supplement the development process with a requirement change management process.
(1) A. customers
B. managers
C. users
D. administrators
(2)A. activity
B. procedure
C. process
D. progress
(3) A. parts
B. modules
C. software
D. a whole
(4) A. parts
B. modules
C. software
D. a whole
(5) A. modified
B. used
C. suited
D. tailored
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試題參考答案:B、C、A、D、D
試題7
在對軟件系統(tǒng)進(jìn)行評價(jià)時(shí),需要從信息系統(tǒng)的組成部分、評價(jià)對象和經(jīng)濟(jì)學(xué)角度出發(fā)進(jìn)行綜合考慮以建立起一套指標(biāo)體系理論架構(gòu)。從信息系統(tǒng)評價(jià)對象出發(fā),對于用戶方來說,他們所關(guān)心的是()。
A.用戶需求和運(yùn)行質(zhì)量
B.系統(tǒng)外部環(huán)境
C.系統(tǒng)內(nèi)部結(jié)構(gòu)
D.系統(tǒng)質(zhì)量和技術(shù)水平
查看答案
試題參考答案:A
試題8
用C/C++語言為某個(gè)應(yīng)用編寫的程序,經(jīng)過( )后形成可執(zhí)行程序。查看答案
試題參考答案:A
試題9
以下程序設(shè)計(jì)語言中, ( ) 更適合用來進(jìn)行動(dòng)態(tài)網(wǎng)頁處理。查看答案
試題參考答案:C
試題10
E-R模型向關(guān)系模型轉(zhuǎn)換時(shí),兩個(gè)實(shí)體E1和E2之間的多對多聯(lián)系R應(yīng)該轉(zhuǎn)換為一個(gè)獨(dú)立的關(guān)系模式,且該關(guān)系模式的關(guān)鍵字由()組成。查看答案
試題參考答案:C
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