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軟件設(shè)計(jì)師每日一練試題(2025/9/26)

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軟件設(shè)計(jì)師每日一練試題內(nèi)容(2025/9/26)

  • 試題1

    根據(jù)漸進(jìn)分析,表達(dá)式序列:n4, lgn, 2n, 1000n, n2/3, n!從低到高排序?yàn)椋?nbsp; )。
    A.Ign,1000n, n2/3, n4, n!, 2n
    B.n2/3,1000n, lgn, n4, n!, 2n
    C.lgn,1000n, n2/3, 2n, n4, n!
    D.Ign, n2/3, 1000n, n4, 2n, n!

    查看答案

    試題參考答案:D

    試題解析與討論:www.ichunya.com/exam/ExamDay.aspx?t1=4&day=2025/9/26

  • 試題2

    設(shè)一個(gè)包含N個(gè)頂點(diǎn)、E條邊的簡單無向圖采用鄰接矩陣存儲結(jié)構(gòu)(矩陣元素A[i][j]等于1/0分別表示頂點(diǎn)i與頂點(diǎn)j之間有/無邊),則該矩陣中的非零元素?cái)?shù)目為()。
    A.N
    B.E
    C.2E
    D.N+E

    查看答案

    試題參考答案:C

    試題解析與討論:www.ichunya.com/exam/ExamDay.aspx?t1=4&day=2025/9/26

  • 試題3

    軟件開發(fā)中的瀑布模型典型地刻畫了軟件生存周期的階段劃分,與其最相適應(yīng)的軟件開發(fā)方法是( )。
    A、構(gòu)件化方法 
    B、結(jié)構(gòu)化方法 
    C、面向?qū)ο蠓椒?nbsp;
    D、快速原型方法 

    查看答案

    試題參考答案:B

    試題解析與討論:www.ichunya.com/exam/ExamDay.aspx?t1=4&day=2025/9/26

  • 試題4

    對n個(gè)元素的有序表A[i..n]進(jìn)行順序查找,其成功查找的平均查找長度(即在查找表中找到指定關(guān)鍵碼的元素時(shí),所進(jìn)行比較的表中元素個(gè)數(shù)的期望值)為()。

    A.n

    B.(n+1)/2

    C.log2n

    D.n2

    查看答案

    試題參考答案:B

    試題解析與討論:www.ichunya.com/exam/ExamDay.aspx?t1=4&day=2025/9/26

  • 試題5

    ICMP協(xié)議屬于因特網(wǎng)中的(1)協(xié)議,ICMP協(xié)議數(shù)據(jù)單元封裝在(2)中傳送。
    (1)A.?dāng)?shù)據(jù)鏈路層
    B.網(wǎng)絡(luò)層
    C.傳輸層
    D.會話層
    (2)A.以太幀
    B.TCP段
    C.UDP數(shù)據(jù)報(bào)
    D.IP數(shù)據(jù)報(bào)

    查看答案

    試題參考答案:B、D

    試題解析與討論:www.ichunya.com/exam/ExamDay.aspx?t1=4&day=2025/9/26

  • 試題6

    軟件詳細(xì)設(shè)計(jì)階段的主要任務(wù)不包括( )。
    A.數(shù)據(jù)結(jié)構(gòu)設(shè)計(jì)
    B.算法設(shè)計(jì)
    C.模塊之間的接口設(shè)計(jì)
    D.數(shù)據(jù)庫的物理設(shè)計(jì)

    查看答案

    試題參考答案:C

    試題解析與討論:www.ichunya.com/exam/ExamDay.aspx?t1=4&day=2025/9/26

  • 試題7

    若視頻圖像每幀的數(shù)據(jù)量為 6.4MB,幀速率為 30 幀/秒,則顯示 10 秒的視頻信息,其原始數(shù)據(jù)量為  ( )  MB。
    A、64
    B、192
    C、640
    D、1920

    查看答案

    試題參考答案:D

    試題解析與討論:www.ichunya.com/exam/ExamDay.aspx?t1=4&day=2025/9/26

  • 試題8

    Thebeautyofsoftwareisinitsfunction,initsinternalstructure,andinthewayinwhichitiscreatedbyateam.Toauser,aprogramwithjusttherightfeaturespresentedthroughanintuitiveand()interfaceisbeautiful.Toasoftwaredesigner,aninternalstructurethatispartitionedinasimpleandintuitivemanner,andthatminimizesinternalcouplingisbeautiful.Todevelopersandmanagers,amotivatedteamofdevelopersmakingsignificantprogresseveryweek,andproducingdefect-freecode,isbeautiful.Thereisbeautyonalltheselevels.
    ourworldneedssoftware--lotsofsoftware.Fiftyyearsagosoftwarewassomethingthatraninafewbigandexpensivemachines.Thirtyyearsagoitwassomethingthatraninmostcompaniesandindustrialsettings.Nowthereissoftwarerunninginourcellphones,watches,appliances,automobiles,toys,andtools.Andneedfornewandbettersoftwarenever().Asourcivilizationgrowsandexpands,asdevelopingnationsbuildtheirinfrastructures,asdevelopednationsstrivetoachieveevergreaterefficiencies,theneedformoreandmoreSoftware()toincrease.Itwouldbeagreatshameif,inallthatsoftware,therewasnobeauty.
    Weknowthatsoftwarecanbeugly.Weknowthatitcanbehardtouse,unreliable,andcarelesslystructured.Weknowthattherearesoftwaresystemswhosetangledandcarelessinternalstructuresmakethemexpensiveanddifficulttochange.Weknowthattherearesoftwaresystemsthatpresenttheirfeaturesthroughanawkwardandcumbersomeinterface.Weknowthattherearesoftwaresystemsthatcrashandmisbehave.Theseare()systems.Unfortunately,asaprofession,softwaredeveloperstendtocreatemoreuglysystemsthanbeautifulones.

    Thereisasecretthatthebestsoftwaredevelopersknow.Beautyischeaperthanugliness.Beautyisfasterthanugliness.Abeautifulsoftwaresystemcanbebuiltandmaintainedinlesstime,andforlessmoney,thananuglyone.Novicesoftwaredevelopersdon't.understandthis.Theythinkthattheyhavetodoeverythingfastandquick.Theythinkthatbeautyis().No!Bydoingthingsfastandquick,theymakemessesthatmakethesoftwarestiff,andhardtounderstand,Beautifulsystemseflexibleandeasytounderstand.Buildingthemandmaintainingthemisajoy.Itisuglinessthatisimpractical.Uglinesswillslowyoudownandmakeyoursoftwareexpensiveandbrittle.Beautifulsystemscosttheleastbuildandmaintain,andaredeliveredsoonest.
    A.Simple
    B.Hard
    C.Complex
    D.Duplicated
    A.happens
    B.exists
    C.stops
    D.starts
    A.starts
    B.continues
    C.appears
    D.stops
    A.practical
    B.useful
    C.beautiful
    D.ugly
    A.impractical
    B.perfect
    C.time-wasting
    D.practical

    查看答案

    試題參考答案:A、C、B、D、A

    試題解析與討論:www.ichunya.com/exam/ExamDay.aspx?t1=4&day=2025/9/26

  • 試題9

    某雙端隊(duì)列如下圖所示,要求元素進(jìn)出隊(duì)列必須在同一端口,即從A端進(jìn)入的元素必須從A端出、從B端進(jìn)入的元素必須從B端出,則對于4個(gè)元素的序列el、e2、e3、e4,若要求前2個(gè)元素(el、e2)從A端口按次序全部進(jìn)入隊(duì)列,后兩個(gè)元素(e3、e4)從B端口按次序全部進(jìn)入隊(duì)列,則可能得到的出隊(duì)序列是(60)。

    A.e1、e2、e3、e4
    B.e2、e3、e4、e1
    C.e3、e4、e1、e2
    D.e4、e3、e2、e1

    查看答案

    試題參考答案:D

    試題解析與討論:www.ichunya.com/exam/ExamDay.aspx?t1=4&day=2025/9/26

  • 試題10

    下圖所示為一個(gè)不確定有限自動機(jī)(NFA)的狀態(tài)轉(zhuǎn)換圖。該NFA識別的字符串集合可用正規(guī)式()描述。

    A.ab*a
    B.(ab)*a
    C.a*ba
    D.a(ba)*

    查看答案

    試題參考答案:A

    試題解析與討論:www.ichunya.com/exam/ExamDay.aspx?t1=4&day=2025/9/26

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