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軟件設(shè)計(jì)師每日一練試題(2023/10/17)

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軟件設(shè)計(jì)師每日一練試題內(nèi)容(2023/10/17)

  • 試題1

    系統(tǒng)論認(rèn)為系統(tǒng)是“相互作用的多個(gè)元素的復(fù)合體”,系統(tǒng)具有多元性、相關(guān)性以及整體性,其中( )是系統(tǒng)思想的核心。
    A、動(dòng)態(tài)性 
    B、多元性 
    C、相關(guān)性 
    D、整體性 

    查看答案

    試題參考答案:D

    試題解析與討論:www.xcpkj.com/st/75882613.html

  • 試題2

    以下流程圖中,至少需要(34)個(gè)測(cè)試用例才能覆蓋所有路徑。采用McCabe方法計(jì)算程序復(fù)雜度為(35)

    (34)
    A.3
    B.4
    C.5
    D.6
    (35)
    A.2
    B.3
    C.4
    D.5

    查看答案

    試題參考答案:B、C

    試題解析與討論:www.xcpkj.com/st/5707511037.html

  • 試題3

    可用于數(shù)字簽名的算法是() 。
    A.RSA
    B.IDEA
    C.RC4
    D.MD5

    查看答案

    試題參考答案:A

    試題解析與討論:www.xcpkj.com/st/2861212886.html

  • 試題4

    Designing object -oriented software is hard,and designing ( )object -oriented software is even harder.You must find pertinent(相關(guān)的)objects,factor them into class at the rightgranularity,define class interfaces and inheritances,and establish key relationships among them.You design should be specific to the problem at hand,but also( )enough to address future problems and requirements.You also want to avoid redesign,or atleast minimize it.Experienced object -oriented designers will tell you that a reusable and flexible design is difficult if not impossible to get "right" the first time.Before a design is finished,they usually try to reuse it several times,madifring it each time.Yet experienced object-oriented designers do make good designs.Meanwhile new designers are ( )by the options available and tend to fall back on non-object-oriented techniques they're used before.lt takes a long time for movies to learn that goodobeject-oriented design is all about.Experienced designers evidently know something inexperiencedones.What is it?One thing expert desigeners know not to do is solve every problem from first principles.Rather, theyreuse solutions that have worked for them in the past.When they find a good ( ).They use it aqain and again.Such experience is part of what makes them experts.Consequently,you'll find ( ) patterns of classes and communicating objects in many object-oriented systems.
    (1)A.runnable
    B.right
    C.reusable
    D.pertinent
    (2)A.clear
    B.general
    C.personalized
    D.customized
    (3)A.excited
    B.shocken
    C.surprised
    D.overwhelmed
    (4)A.tool
    B.component
    C.system
    D.solution
    (5)A.recurring
    B.right
    C.experienced
    D.past

    查看答案

    試題參考答案:B、D、A、D、D

    試題解析與討論:www.xcpkj.com/st/4549612260.html

  • 試題5

    在一臺(tái)安裝好 TCP/IP 協(xié)議的計(jì)算機(jī)上, 當(dāng)網(wǎng)絡(luò)連接不可用時(shí), 為了測(cè)試編寫(xiě)好的網(wǎng)絡(luò)程序, 通常使用的目的主機(jī) IP 地址為( ) 。
    A. 0.0.0.0
    B. 127.0.0.0
    C. 10.0.0.1
    D. 210.225.21.255/24

    查看答案

    試題參考答案:B

    試題解析與討論:www.xcpkj.com/st/395571096.html

  • 試題6

    某企業(yè)生產(chǎn)流水線(xiàn)M共有兩位生產(chǎn)者,生產(chǎn)者甲不斷地將其工序上加工的半成品放入半成品箱,生產(chǎn)者乙從半成品箱取出繼續(xù)加工。假設(shè)半成品箱可存放n件半成品,采用PV操作實(shí)現(xiàn)生產(chǎn)者甲和生產(chǎn)者乙的同步可以設(shè)置三個(gè)信號(hào)量S、S1和S2,其同步模型如下圖所示。



    信號(hào)量S是一個(gè)互斥信號(hào)量,初值為  (1);S1、S2的初值分別為  (2)。
    (1)A.0
    B.1
    C.n
    D.任意正整數(shù)
    (2) A.n、0
    B.0、n
    C.1、n
    D.n、1

    查看答案

    試題參考答案:B、A

    試題解析與討論:www.xcpkj.com/st/2469015987.html

  • 試題7

    由值為29、12、15、6、23的五個(gè)葉子結(jié)點(diǎn)構(gòu)造的哈夫曼樹(shù)為 (1) ,其帶權(quán)路徑長(zhǎng)度為 (2) 。

    1)A. A
    B. B
    C. C
    D. D
    (2)A、85
    B、188
    C、192
    D、222

    查看答案

    試題參考答案:A、C

    試題解析與討論:www.xcpkj.com/st/80332766.html

  • 試題8

    給定員工關(guān)系E(員工號(hào),員工名,部門(mén)名,電話(huà),家庭住址)、工程關(guān)系P(工程號(hào),工程名,前期工程號(hào))、參與關(guān)系EP(員工號(hào),工程號(hào),工作量)。查詢(xún)“005”員工參與了“虎頭山隧道”工程的員工名、部門(mén)名、工程名、工作量的關(guān)系代數(shù)表達(dá)式如下∶

    A.A
    B.B
    C.C
    D.D
    A.A
    B.B
    C.C
    D.D


    查看答案

    試題參考答案:D、A

    試題解析與討論:www.xcpkj.com/st/5387624874.html

  • 試題9

    要使4個(gè)連續(xù)的C類(lèi)網(wǎng)絡(luò)匯聚成一個(gè)超網(wǎng),則子網(wǎng)掩碼應(yīng)該為()。
    A.255.240.0.0
    B.255.255.0.0
    C.255.255.252.0
    D.255.255.255.252

    查看答案

    試題參考答案:C

    試題解析與討論:www.xcpkj.com/st/2466129009.html

  • 試題10

    以下關(guān)于字符串的敘述中,正確的是()
    A.包含任意個(gè)空格字符的字符串稱(chēng)為空串
    B.字符串不是線(xiàn)性數(shù)據(jù)結(jié)構(gòu)
    C.字符串的長(zhǎng)度是指串中所含字符的個(gè)數(shù)
    D.字符串的長(zhǎng)度是指串中所含非空格字符的個(gè)數(shù)

    查看答案

    試題參考答案:C

    試題解析與討論:www.xcpkj.com/st/3935618787.html

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