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軟件設(shè)計師每日一練試題內(nèi)容(2024/10/5)
試題1
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
查看答案
試題參考答案:D、C、D、A、B
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試題2
下面關(guān)于校驗(yàn)方法的敘述, ( ) 是正確的。
A、采用奇偶校驗(yàn)可檢測數(shù)據(jù)傳輸過程中出現(xiàn)一位數(shù)據(jù)錯誤的位置并加以糾正
B、采用海明校驗(yàn)可檢測數(shù)據(jù)傳輸過程中出現(xiàn)一位數(shù)據(jù)錯誤的位置并加以糾正
C、采用海明校驗(yàn),校驗(yàn)碼的長度和位置可隨機(jī)設(shè)定
D、采用 CRC 校驗(yàn),需要將校驗(yàn)碼分散開并插入數(shù)據(jù)的指定位置中
查看答案
試題參考答案:B
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試題3
已知一個文件中出現(xiàn)的各字符及其對應(yīng)的頻率如下表所示。采用Huffman編碼,則該文件中字符a和c的碼長分別為(1)。若采用Huffman編碼,則字序列 “110001001101” 的編碼應(yīng)為(2)。查看答案
試題參考答案:A、A
試題解析與討論:www.jazzmuze.com/exam/ExamDay.aspx?t1=4&day=2024/10/5
試題4
在CPU中,()不僅要保證指令的正確執(zhí)行,還要能夠處理異常事件。
A.運(yùn)算器
B.控制器
C.寄存器組
D.內(nèi)部總線
查看答案
試題參考答案:B
試題解析與討論:www.jazzmuze.com/exam/ExamDay.aspx?t1=4&day=2024/10/5
試題5
TheoMandel在其關(guān)于界面設(shè)計所提出的三條“黃金準(zhǔn)則”中,不包括( )。查看答案
試題參考答案:B
試題解析與討論:www.jazzmuze.com/exam/ExamDay.aspx?t1=4&day=2024/10/5
試題6
我國著作權(quán)法中,( )系指同一概念。
A、出版權(quán)與版權(quán)
B、著作權(quán)與版權(quán)
C、作者權(quán)與專有權(quán)
D、發(fā)行權(quán)與版權(quán)
查看答案
試題參考答案:B
試題解析與討論:www.jazzmuze.com/exam/ExamDay.aspx?t1=4&day=2024/10/5
試題7
繪制分層數(shù)據(jù)流圖(DFD)時需要注意的問題中,不包括( )。查看答案
試題參考答案:B
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試題8
WebSQL is a SQL-like (1) language for extracting information from the web. Its capabilities for performing navigation of web (2) make it a useful tool for automating several web-related tasks that require the systematic processing of either all the links in a (3) , all the pages that can be reached from a given URL through (4) that match a pattern, or a combination of both. WebSQL also provides transparent access to index servers that can be queried via the Common (5) Interface.
(1)A、query
B、transaction
C、communication
D、programming
(2)A、browsers
B、servers
C、hypertexts
D、clients
(3)A、hypertext
B、page
C、protocol
D、operation
(4)A、paths
B、chips
C、tools
D、directories
(5)A、Router
B、Device
C、Computer
D、Gateway
查看答案
試題參考答案:A、C、B、A、D
試題解析與討論:www.jazzmuze.com/exam/ExamDay.aspx?t1=4&day=2024/10/5
試題9
在移臂調(diào)度算法中,( )算法可能會隨時改變移動臂的運(yùn)動方向。
A、電梯調(diào)度和先來先服務(wù)
B、先來先服務(wù)和最短尋找時間優(yōu)先
C、單向掃描和先來先服務(wù)
D、電梯調(diào)度和最短尋找時間優(yōu)先
查看答案
試題參考答案:B
試題解析與討論:www.jazzmuze.com/exam/ExamDay.aspx?t1=4&day=2024/10/5
試題10
若系統(tǒng)正在將( )文件修改的結(jié)果寫回磁盤時系統(tǒng)發(fā)生崩潰,則對系統(tǒng)的影響相對較大。
A、空閑塊
B、目錄
C、用戶數(shù)據(jù)
D、用戶程序
查看答案
試題參考答案:B
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