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軟件設(shè)計(jì)師每日一練試題內(nèi)容(2024/6/28)
試題1
以下關(guān)于高級語言程序的編譯和解釋的敘述中,正確的是 ( ) 。
A、編譯方式下,可以省略對源程序的詞法分析、語法分析
B、解釋方式下,可以省略對源程序的詞法分析、語法分析
C、編譯方式下,在機(jī)器上運(yùn)行的目標(biāo)程序完全獨(dú)立于源程序
D、解釋方式下,在機(jī)器上運(yùn)行的目標(biāo)程序完全獨(dú)立于源程序
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試題參考答案:C
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試題2
一個含有n個頂點(diǎn)和e條邊的簡單無向圖,在其鄰接矩陣存儲結(jié)構(gòu)中共有( )個零元素。
A、e
B、2e
C、n2-e
D、n2-2e
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試題參考答案:D
試題解析與討論:www.jazzmuze.com/exam/ExamDay.aspx?t1=4&day=2024/6/28
試題3
設(shè) S 是一個長度為 n 的非空字符串, 其中的字符各不相同, 則其互異的非平凡子串(非空且不同于 S 本身) 個數(shù)為( ) 。查看答案
試題參考答案:D
試題解析與討論:www.jazzmuze.com/exam/ExamDay.aspx?t1=4&day=2024/6/28
試題4
函數(shù) foo、hoo 的含義如下所示,函數(shù)調(diào)用 hota,x)的兩個參數(shù)分別采用引用調(diào)用(call y reference)和值調(diào)用(callbyvalue)方式傳遞,則函數(shù)調(diào)用 foo(5)的輸出結(jié)果為( )。查看答案
試題參考答案:C
試題解析與討論:www.jazzmuze.com/exam/ExamDay.aspx?t1=4&day=2024/6/28
試題5
某計(jì)算機(jī)系統(tǒng)構(gòu)成如下圖所示,假設(shè)每個軟件的千小時可靠度R為0.95,則該系統(tǒng)的小時可靠度約為()。查看答案
試題參考答案:
試題解析與討論:www.jazzmuze.com/exam/ExamDay.aspx?t1=4&day=2024/6/28
試題6
設(shè)某算法的計(jì)算時間可用遞推關(guān)系式T(n)=2T(n/2)+n表示,則該算法的時間復(fù)雜度為( )。
A、O(lg n)
B、O(nlg n)
C、O(n)
D、O(n2)
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試題參考答案:B
試題解析與討論:www.jazzmuze.com/exam/ExamDay.aspx?t1=4&day=2024/6/28
試題7
下圖所示為(44)設(shè)計(jì)模式,適用于(45)。
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試題參考答案:C、D
試題解析與討論:www.jazzmuze.com/exam/ExamDay.aspx?t1=4&day=2024/6/28
試題8
For nearly ten years, the Unified Modeling Language (UML) has been the industrystandard for visualizing, specifying, constructing, and documenting the(1) of a software-intensive system. As the (2)standard modeling language, the UML facilitates communication and reduces confusion among project (3) The recent standardization of UML 2.0 has further extended the language's scope and viability. Its inherent expressiveness allows users to (4) everything from enterprise information systems and distributed Web-based applications to real-time embedded systems. The UML is not limited to modeling software. In fact, it is expressive enough to model (5) systems, such as workflow in the legal system, the structure and behavior of a patien healthcare system, software engineering in aircraft combat systems, and the design of hardware. To understand the UML, you need to form a conceptual model of the language, and this requires learning three major elements: the UML's basic building blocks, the rules that dictate how those building blocks may be put together, and some common mechanisms that apply throughout the UML.
(1)A、classes
B、components
C、sequences
D、artifacts
(2)A、real
B、legal
C、de facto
D、illegal
(3)A、investors
B、developers
C、designers
D、stakeholders
(4)A、model
B、code
C、test
D、modify
(5)A、non-hardware
B、non-software
C、hardware
D、software
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試題參考答案:D、C、D、A、B
試題解析與討論:www.jazzmuze.com/exam/ExamDay.aspx?t1=4&day=2024/6/28
試題9
編譯器對高級語言源程序的處理過程可以劃分為詞法分析、語法分析、語義分析、中間代碼生成、代碼優(yōu)化、目標(biāo)代碼生成等幾個階段,其中, ( ) 并不是每種編譯器都必需的。
A、詞法分析和語法分析
B、語義分析和中間代碼生成
C、中間代碼生成和代碼優(yōu)化
D、代碼優(yōu)化和目標(biāo)代碼生成
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試題參考答案:C
試題解析與討論:www.jazzmuze.com/exam/ExamDay.aspx?t1=4&day=2024/6/28
試題10
POP3協(xié)議采用( )模式,客戶端代理與POP3服務(wù)器通過建立TCP連接來傳送數(shù)據(jù)。
A.Browser/Server
B. Client/Server
C.Peer to Peer
D.Peer to Server
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試題參考答案:B
試題解析與討論:www.jazzmuze.com/exam/ExamDay.aspx?t1=4&day=2024/6/28
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