2021年計(jì)算機(jī)應(yīng)用基礎(chǔ)（專升本）考試題庫

2021/r/n年/r/n計(jì)/r/n算機(jī)/r/n應(yīng)/r/n用基/r/n礎(chǔ)/r/n(/r/n專/r/n升本)考/r/n試題庫/r/n(完整版)/r/n單選題/r/n./r/n在/r/nWorD/r/n的編輯狀態(tài),打開文檔/r/nABC,/r/n修改后另存為/r/nABD,/r/n則文檔/r/nABC/r/n()/r/n〇/r/nA/r/n、/r/n被文檔/r/nABD/r/n覆/r/n蓋/r/nB/r/n、/r/n被修改未關(guān)閉/r/nC/r/n、/r/n被修改并關(guān)閉/r/nD/r/n、/r/n未修改被關(guān)閉/r/n答案:/r/nD/r/n./r/n常用局域網(wǎng)有以太網(wǎng)./r/nFDDI/r/n網(wǎng)等,下面的敘述中錯(cuò)誤的是/r/n()/r/n。/r/nA/r/n、/r/n總線式以太網(wǎng)采用帶沖突檢測的載波偵聽多/r/n路訪問/r/n(CSMA/CD)/r/n方法進(jìn)行通信/r/nB/r/n、/r/nFDD!/r/n網(wǎng)和以太網(wǎng)可以直接進(jìn)行互連/r/nC/r/n、/r/n交換式集線器比普通集線器具有更/r/n高/r/n的性能,它能提高整個(gè)網(wǎng)絡(luò)的帶寬/r/nD/r/n、/r/nFDD!/r/n網(wǎng)采用光纖雙環(huán)結(jié)構(gòu),具有/r/n高/r/n可/r/n靠性/r/n和數(shù)據(jù)傳輸?shù)谋Ｃ苄?r/n答案:/r/nB/r/n.把/r/nC/r/n語言源程序翻譯成目標(biāo)程序的方法通常是/r/nA/r/n、/r/n匯編/r/nB/r/n、/r/n編譯/r/nC/r/n、/r/n解釋/r/nD/r/n、/r/n由操作系統(tǒng)確定/r/n答案：/r/nB/r/n./r/n計(jì)算機(jī)感染病毒后會產(chǎn)生各/r/n種/r/n異常現(xiàn)象,但一般不會引起()/r/n〇/r/nA/r/n、/r/n文件占用的/r/n空間/r/n變大了/r/nB/r/n、/r/n機(jī)器發(fā)出異常蜂鳴聲/r/nC/r/n、/r/n屏幕顯示異常圖形/r/nD/r/n、/r/n主/r/n機(jī)內(nèi)的電扇不轉(zhuǎn)了/r/n答案:/r/nD/r/n./r/n用鼠標(biāo)右鍵單擊“我的電腦”,并在彈出的快捷菜單中選擇/r/n“屬性”,/r/n可以直接打開/r/n()。/r/nA/r/n、/r/n系統(tǒng)屬性/r/nB/r/n、/r/n控制面板/r/nC/r/n、/r/n硬盤信息/r/nD/r/n、/r/n盤信息/r/n答案:/r/nA/r/n./r/n以下關(guān)于/r/n高/r/n級程序設(shè)計(jì)語言中的數(shù)據(jù)成分的說法正確的是/r/n()/r/nA/r/n、/r/n指針變量中存放的是某個(gè)數(shù)據(jù)對象的值/r/nB/r/n、/r/n數(shù)組是ー組類型相同數(shù)據(jù)的有序集合/r/nC/r/n、/r/n數(shù)據(jù)命名可說明數(shù)據(jù)/r/n需/r/n占用存儲單元的多少和存放位置/r/nD/r/n、/r/n用戶不可以自己定義新的數(shù)據(jù)類型/r/n答案：/r/nB/r/n./r/n下面是關(guān)于操作系統(tǒng)虛擬存儲器技/r/n術(shù)/r/n優(yōu)點(diǎn)的敘述,其中錯(cuò)誤的是/r/nA/r/n、/r/n虛擬存儲/r/n器/r/n可以克服內(nèi)存容量有限不夠用的問題/r/nB/r/n、/r/n虛擬存儲/r/n器/r/n對多任務(wù)處理提供了有力的支持/r/nC/r/n、/r/n虛擬存儲器用于構(gòu)作軟件防火墻,有效抵御黑客的入侵/r/nD/r/n、/r/n虛擬存儲器技術(shù)的指導(dǎo)思想是以/r/n時(shí)/r/n間換取空間/r/n答案:/r/nC/r/n./r/n下列屬于音頻文件擴(kuò)展名的是/r/n()。/r/n.WAV/r/n./r/nMID/r/nG/r/n./r/nMP3/r/nD/r/n、/r/n以上都是/r/n答案:/r/nD/r/n9./r/n在因特網(wǎng)中.各計(jì)算機(jī)之間使用/r/n()/r/n協(xié)議交換信息./r/nA/r/n、/r/nE-ma/r/ni/r/nI/r/nB/r/n、/r/nWorD/r/nGTCP/IP/r/nD/r/n、/r/nFoxPro/r/n答案：/r/nC/r/n./r/n硬盤工作/r/n時(shí)/r/n應(yīng)特別注意避免/r/n()/r/n。/r/nA/r/n、/r/n噪聲/r/nB/r/n、/r/n震動/r/nC/r/n、/r/n潮濕/r/nD/r/n、/r/n日光/r/n答案：/r/nB/r/n.下列有關(guān)信息化和信息社會的敘述中,錯(cuò)誤的是/r/nA/r/n、/r/n從生產(chǎn)カ和產(chǎn)業(yè)結(jié)構(gòu)演進(jìn)的角度看,人類社會正從工業(yè)社會向信息社會轉(zhuǎn)型/r/nB/r/n、/r/n信息社會中,信息將借助材料和能源的力量產(chǎn)生重要價(jià)值而成為社會進(jìn)步的基/r/n本/r/n要素/r/nC/r/n、/r/n信/r/n息/r/n化就是利用信/r/n息/r/n技術(shù)解決貧富不均等社會矛盾,實(shí)現(xiàn)世界共同發(fā)展.共同繁榮/r/nD/r/n、/r/n我國的信/r/n息/r/n化建設(shè)道路,既要充分發(fā)揮エ業(yè)化對信息化的基礎(chǔ)和推動作用,又要使信息化成為帶動エ業(yè)化升級的強(qiáng)大動カ/r/n答案:/r/nC/r/n./r/n在使用分組交換技術(shù)的數(shù)字通信網(wǎng)中,數(shù)據(jù)以/r/n()/r/n為單位進(jìn)行傳輸和交/r/nA/r/n、/r/n文件/r/nB/r/n、/r/n字節(jié)/r/nC/r/n、/r/n數(shù)據(jù)包(分組)/r/nD/r/n、/r/n記錄/r/n答案:/r/nC/r/n./r/n下列存儲器中,斷電后信息不會丟失的是/r/n()。/r/nA/r/n、/r/nDRAM/r/nSRAM/r/nCACHE/r/nD/r/n、/r/nROM/r/n答案：/r/nD/r/n14/r/n.以目前廣泛使用的/r/ni/r/n9//r/ni/r/n7//r/ni/r/n5/r/n多核處理器為/r/nCPU,/r/n對于“北橋”.“南橋”芯片組的處理是。/r/nA/r/n、/r/n/r/n“北橋”集成到處理器內(nèi),保留“南橋”/r/nB/r/n、/r/n“南橋”集成到處理器內(nèi),保留“北橋”/r/nC/r/n、/r/n“北橋”.“南橋”/r/nー/r/n起集成到處理器內(nèi)/r/nD/r/n、/r/n“北橋”.“南橋”仍獨(dú)立于處理器外/r/n答案:/r/nA/r/n./r/n16/r/n位二進(jìn)制編碼表示聲音與/r/n8/r/n位編碼表示聲音效果不同,前者比后者/r/n0()/r/n()。/r/nA/r/n、/r/n噪音小,保真度低,音質(zhì)差/r/nB/r/n、/r/n音小,保真度高,音質(zhì)好/r/nC/r/n、/r/n噪音大,保真度高,音質(zhì)好/r/nD/r/n、/r/n噪音大,保真度低,音質(zhì)差/r/n答案:/r/nB/r/n./r/n在計(jì)算機(jī)的存儲層次中,有關(guān)/r/ncache/r/n的ー個(gè)重要指標(biāo)是/r/n〇。/r/nA/r/n、/r/n容量/r/nB/r/n、/r/n幾何尺寸/r/nC/r/n、/r/n命中率/r/nD/r/n、/r/n存取/r/n時(shí)/r/n間/r/n答案：/r/nC/r/n./r/n在計(jì)算機(jī)中,/r/nCRT/r/n是指/r/n〇〇/r/nA/r/n、/r/n打/r/n印機(jī)/r/nB/r/n、/r/n掃描儀/r/nC/r/n、/r/n鍵盤/r/nD/r/n、/r/n陰極射線管顯示器/r/n答案：/r/nD/r/n.Windows2000/r/n中,關(guān)閉系統(tǒng)的命令位于/r/n〇。/r/nA/r/n、“/r/n關(guān)閉”菜單中/r/nB/r/n、/r/n“/r/n退出”菜單中/r/nC/r/n、/r/n“/r/n開始”菜單中/r/nD/r/n、/r/n"/r/n啟動”菜單中/r/n答案:/r/nC/r/n./r/n電纜調(diào)制解調(diào)技術(shù)/r/n(CabIe/r/n()/r/nMODEM)/r/n,/r/n使用戶利用家中的有線電視電纜ー邊看電視ー邊上網(wǎng)成為/r/n可能。/r/n這是因?yàn)樗?r/n用/r/n了/r/n()/r/n復(fù)用技術(shù)。/r/nA/r/n、/r/n時(shí)分多路/r/nB/r/n、/r/n頻分多路/r/nC/r/n、/r/n波分多路/r/nD/r/n、/r/n頻分多路和時(shí)分多路/r/n答案:/r/nD/r/n./r/n設(shè)有關(guān)系模式/r/nR(A,B,C),/r/n其中/r/nA/r/n為主鍵,則以下不能完成的操作是/r/n()。/r/nA/r/n、/r/n從/r/nR/r/n中刪除/r/n2/r/n個(gè)元組/r/nB/r/n、/r/n修改/r/nR/r/n第/r/n3/r/n個(gè)元組的/r/nB/r/n分量值/r/nC/r/n、/r/n把/r/nR/r/n第/r/n1/r/n個(gè)元組的/r/nA/r/n分量值修改為/r/nNu/r/nI/r/nI/r/nD/r/n、/r/n把/r/nR/r/n第/r/n2/r/n個(gè)元組的/r/nB/r/n和/r/nC/r/n分量值修改為/r/nNul/r/nI/r/n答案：/r/nC/r/n.SQL/r/n語言的/r/nSELECT/r/n語句中,說明投影操作的子句是/r/n()。/r/nSELECT/r/nFROM/r/nGWHERE/r/nD/r/n、/r/nGROUPBY/r/n答案:/r/nA/r/n.CPU/r/n的工作/r/n就/r/n是執(zhí)行指令./r/nCPU/r/n執(zhí)行每一條指令都要分成若干/r/n步:/r/n①取指令②指令/r/n譯碼③/r/n取操作數(shù)④執(zhí)行/r/n運(yùn)算⑤/r/n保存結(jié)果等。正確的操作次序是/r/nA/r/n、/r/n②.①.③.④.③/r/nB/r/n、/r/n①.②.③.④.⑤/r/nC/r/n、/r/n①.②.④.③⑤/r/nD/r/n、/r/n①.②.⑤.③.④/r/n答案:/r/nB/r/n./r/n下面不屬/r/n于高/r/n級程序設(shè)計(jì)語/r/n言/r/n的是/r/nA/r/n、/r/nVB/r/nB/r/n、/r/nASM/r/nC/r/n、/r/nC++/r/nD/r/n、/r/nJAVA/r/n答案：/r/nB/r/n./r/n目前使用的微機(jī)是/r/n基于〇/r/n原理進(jìn)行工作的。/r/nA/r/n、/r/n存儲程序控制/r/nB/r/n、/r/n訪問/r/n局部性/r/nC/r/n、/r/n基/r/n準(zhǔn)程序測試/r/nD/r/n、/r/n硬拷貝/r/n答案：/r/nA/r/n.采用補(bǔ)碼表示法,整數(shù)“〇”只有一種表示形式,該表示形式為/r/nA/r/n、/r/n1000—00/r/nB/r/n、/r/n0000—00/r/nC/r/n、/r/n1111—11/r/nD/r/n、/r/n0111—11/r/n答案:/r/nB/r/n./r/n下面關(guān)于內(nèi)存儲器(也稱為主存)的敘述中,正確的是/r/n〇。/r/nA/r/n、/r/n內(nèi)存儲器和外存儲器是統(tǒng)ー編址的,字是存儲器的基本編址單位/r/nB/r/n、/r/n內(nèi)存儲器與外存儲器相比,存取速度慢.價(jià)格便宜/r/nC/r/n、/r/n內(nèi)存儲器與外存儲器相比,存取速度快.單位存儲容量的價(jià)格貴/r/nD/r/n、/r/nRAM/r/n和/r/nROM/r/n在斷電后信息將全部丟失/r/n答案:/r/nC/r/n./r/n根據(jù)/r/n1nternet/r/n的域名代碼規(guī)定,域名中的/r/n()/r/n表示商業(yè)組織的網(wǎng)站。/r/nA/r/nヽ/r/n./r/nnet/r/n./r/n./r/ngov/r/n./r/norg/r/n答案：/r/nB/r/n./r/n建立計(jì)算機(jī)網(wǎng)絡(luò)的根本目的是/r/n()/r/nA/r/n、/r/n實(shí)現(xiàn)資源共享/r/nB/r/n、/r/n增強(qiáng)單臺計(jì)算機(jī)處理能力/r/nC/r/n、/r/n瀏覽新聞/r/nD/r/n、/r/n提高計(jì)算機(jī)運(yùn)行速度/r/n答案:/r/nA/r/n.我們通常所說的“網(wǎng)絡(luò)黑客”,他的行為主要是/r/n()。/r/nA/r/n、/r/n在網(wǎng)上發(fā)布不健信息/r/nB/r/n、/r/n制造并傳播病毒/r/nC/r/n、/r/n攻擊并破壞/r/nweb/r/n網(wǎng)站/r/nD/r/n、/r/n收看不健康信息/r/n答案:/r/nC/r/n./r/n獲取數(shù)字聲音/r/n時(shí),/r/n為了保證對頻帶寬度達(dá)/r/n20kHz/r/n的全頻道音樂信號采樣時(shí)不失真,其采樣頻率應(yīng)達(dá)到/r/n()/r/n以上。/r/n40kHz/r/n8kHz/r/n12kHz/r/n16kHz/r/n答案：/r/nA/r/n31/r/n.某次數(shù)據(jù)傳輸共傳輸了/r/n10000000/r/n字節(jié)數(shù)據(jù),其中有/r/n50bit/r/n出錯(cuò),則誤碼率/r/nA/r/n、/r/n5./r/n25/r/n乘以/r/n10/r/n的ー/r/n7/r/n次方/r/nB/r/n、/r/n5./r/n25/r/n乘以/r/n10/r/n的ー/r/n6/r/n次方/r/nC/r/n、/r/n6./r/n25/r/n乘以/r/n10/r/n的ー/r/n7/r/n次方/r/nD/r/n、/r/n6./r/n25/r/n乘以/r/n10/r/n的ー/r/n6/r/n次方/r/n答案：/r/nC/r/n32,/r/n在下列軟件中,不屬于系統(tǒng)軟件的是/r/n〇。/r/nA/r/n、/r/n操作系統(tǒng)/r/nB/r/n、/r/n診斷程序/r/nC/r/n、/r/n編譯程序/r/nD/r/n、/r/n用/r/nC/r/n語言編寫的程序/r/n答案:/r/nD/r/n.SQL/r/n的/r/nSELECT/r/n語句中,利用/r/nWHERE/r/n子句能實(shí)現(xiàn)關(guān)系操作中的/r/n()/r/n操作。/r/nA/r/n、/r/n選擇/r/nB/r/n、/r/n投影/r/nC/r/n、/r/n連接/r/nD/r/n、/r/n除法/r/n答案:/r/nA/r/n./r/n下列說法中錯(cuò)誤的是/r/n()。/r/nA/r/n、/r/n計(jì)算機(jī)圖形學(xué)主要研究使用計(jì)算機(jī)描述景物并生成其圖像的原理.方法和技術(shù)/r/nB/r/n、/r/n用于在計(jì)算機(jī)中描述景物形狀的方法有多種/r/nC/r/n、/r/n樹木.花草.煙火等景物的形狀也可以在計(jì)算機(jī)中進(jìn)行描述/r/nD/r/n、/r/n利用掃描儀輸入計(jì)算機(jī)的機(jī)械零件圖是矢/r/n量圖形/r/n答案：/r/nD/r/n./r/n下列關(guān)于/r/nWindow/r/n窗口的敘述中,錯(cuò)誤的是/r/n()。/r/nA/r/n、/r/n窗口是應(yīng)用程序運(yùn)行后的工作區(qū)/r/nB/r/n、/r/n同時(shí)打開的多個(gè)窗口可以重疊排列/r/nC/r/n、/r/n窗口的位置和大小都改變/r/nD/r/n、/r/n窗ロ的位置可以移動，但大小不能改變/r/n答案：/r/nD/r/n./r/n以下所列各項(xiàng)中,/r/n0/r/n不是計(jì)算機(jī)信息系統(tǒng)所具有的特點(diǎn)。/r/nA/r/n、/r/n涉及的數(shù)據(jù)/r/n量/r/n很大,有時(shí)甚至是海量的/r/nB/r/n、/r/n除去具有基本數(shù)據(jù)處理的功能,也可以進(jìn)行分析和決策支持等服務(wù)/r/nC/r/n、/r/n系統(tǒng)中的數(shù)據(jù)為多個(gè)應(yīng)用程序和多個(gè)用戶所共享/r/nD/r/n、/r/n數(shù)據(jù)是臨時(shí)的,隨/r/n著/r/n運(yùn)行程序結(jié)束而消失/r/n答案:/r/nD/r/n./r/n目前計(jì)算機(jī)應(yīng)用領(lǐng)域可大致分為三個(gè)方面,指出下列正確答案/r/n()。/r/nA/r/n、/r/nCAI./r/n專家系統(tǒng).人工智能/r/nB/r/n、/r/n工程設(shè)計(jì)/r/n.CAI./r/n文字處理/r/nC/r/n、/r/n實(shí)時(shí)控制.科學(xué)計(jì)算.數(shù)據(jù)處理/r/nD/r/n、/r/n數(shù)據(jù)分析.人工智能.計(jì)算機(jī)網(wǎng)絡(luò)/r/n答案:/r/nC/r/n./r/n算數(shù)表達(dá)式,例如/r/na+b-c,/r/n屬于高級語言中的/r/n()/r/n成分。/r/nA/r/n、/r/n控制/r/nB/r/n、/r/n運(yùn)算/r/nC/r/n、/r/n數(shù)據(jù)/r/nD/r/n、/r/n傳輸/r/n答案：/r/nB/r/n.GB2312/r/n中的二級常用漢字，以邊旁部首為序,共有/r/n()/r/n個(gè)漢字。/r/n3008/r/n2755/r/nG/r/n2008/r/nD/r/n、/r/n3755/r/n答案:/r/nA/r/n./r/n下列關(guān)于/r/nIP/r/n的說法錯(cuò)誤的是/r/n()。/r/nA/r/n、/r/nIP/r/n地址在/r/nInternet/r/n上/r/n是唯一的/r/nB/r/n、/r/nIP/r/n地址由/r/n32/r/n位十進(jìn)制數(shù)組成/r/nC/r/n、/r/nIP/r/n地址是/r/nInternet/r/n上主機(jī)的數(shù)字標(biāo)識/r/nD/r/n、/r/nIP/r/n地址指出了該計(jì)算機(jī)連接到哪個(gè)網(wǎng)絡(luò)上/r/n答案:/r/nB/r/n.局域網(wǎng)是較小地域范圍內(nèi)計(jì)算機(jī)網(wǎng)絡(luò)。關(guān)于計(jì)算機(jī)局域網(wǎng)描述錯(cuò)誤的/r/n()/r/nA/r/n、/r/n局域網(wǎng)的數(shù)據(jù)傳輸速率/r/nB/r/n、/r/n通信可靠性好/r/nC/r/n、/r/n可連接任意多的計(jì)算機(jī)/r/nD/r/n、/r/n可共享網(wǎng)絡(luò)的軟硬件資源/r/n答案：/r/nC/r/n.8.Windowsxp/r/n用來與用戶進(jìn)行信/r/n息/r/n交換的是/r/n〇。/r/nA/r/n、/r/n桌面/r/nB/r/n、/r/n任務(wù)欄/r/nC/r/n、/r/n系統(tǒng)菜單中的“文檔”菜單中/r/nD/r/n、/r/n剪貼板/r/n答案：/r/nC/r/n.引入操作系統(tǒng)的主要目的是/r/n〇./r/n方便用戶等。/r/nA/r/n、/r/n提高軟.硬件資源/r/n利用/r/n率/r/nB/r/n、/r/n提高計(jì)算機(jī)的兼容性/r/nC/r/n、/r/n提高計(jì)算機(jī)的運(yùn)算速度/r/nD/r/n、/r/n提高計(jì)算機(jī)的靈活性/r/n答案:/r/nA/r/n./r/n發(fā)現(xiàn)計(jì)算機(jī)磁盤上的病毒后,徹底的/r/n清/r/n除方法是/r/n()。/r/nA/r/n、/r/n格式化磁盤/r/nB/r/n、/r/n及/r/n時(shí)/r/n用殺毒軟件處理/r/nC/r/n、/r/n刪除病毒感染的文件/r/nD/r/n、/r/n刪除磁盤上的所有文件/r/n答案:/r/nA/r/n./r/n下列關(guān)于操作系統(tǒng)設(shè)備管理的敘述中,錯(cuò)誤的是/r/n〇。/r/nA/r/n、/r/n設(shè)備管理程序負(fù)責(zé)對系統(tǒng)中的各種輸入輸出設(shè)備進(jìn)行管理/r/nB/r/n、/r/n設(shè)備管理程序負(fù)責(zé)處理用戶和應(yīng)用程序的輸入輸出請求/r/nC/r/n、/r/n每個(gè)設(shè)備都有自己的驅(qū)動程序/r/nD/r/n、/r/n設(shè)備管理程序駐留在/r/nBIOS/r/n中/r/n答案：/r/nD/r/n./r/n以太網(wǎng)采用的通信技術(shù)是/r/n()。/r/nA/r/n、/r/nATM/r/nB/r/n、/r/nTCP/IP/r/nGCSMA/CD/r/nD/r/n、/r/nX./r/n25/r/n./r/n下面說法中錯(cuò)誤的是/r/n()。/r/nA/r/n、/r/nCD-R/r/n和/r/nCD-ROM/r/n類似,都只能讀不能寫/r/nB/r/n、/r/nCD-RW/r/n為可多次讀寫的光盤/r/nC/r/n、/r/nCD/r/n盤記錄數(shù)據(jù)的原理為:在盤上壓制凹坑,凹坑邊緣表示"/r/nV,/r/n凹/r/n坑和非/r/n凹/r/n坑的平坦部分表示“〇"/r/nD/r/n、/r/nDVD/r/n采用了更有效的糾錯(cuò)編碼和信號調(diào)制方式,比/r/nCD/r/n可靠性更/r/n高/r/n答案:/r/nA/r/n./r/n在信/r/n息/r/n系統(tǒng)設(shè)計(jì)中,一般使用/r/n()/r/n作為數(shù)據(jù)庫概念結(jié)構(gòu)設(shè)計(jì)的工具。/r/nA/r/n、/r/n系統(tǒng)結(jié)構(gòu)圖/r/nB/r/n、/r/n模塊/r/nIP0/r/n表/r/nGU/C/r/n圖/r/nD/r/n、/r/nE-R/r/n圖/r/n答案:/r/nD/r/n.cache/r/n通常/r/n介/r/n于主存和/r/nCPU/r/n之間,其速度比主存,容量比主存小,它的作用是彌補(bǔ)/r/nCPU/r/n與主存在ー上的差異。/r/nA/r/n、/r/n快,速度/r/nB/r/n、/r/n快,容量/r/nC/r/n、/r/n慢,速度/r/nD/r/n、/r/n慢,容量/r/n答案：/r/nA/r/n.使用最普遍的是哪ー種格式/r/n()/r/n。/r/nAv.HTML/r/nB/r/n、/r/n.DOC/r/nC/r/n、/r/n./r/nTXT/r/nD/r/n、/r/nDBF/r/n答案:/r/nA/r/n.下列關(guān)于“木馬”病毒的敘述中,錯(cuò)誤的是/r/n()/r/n。/r/nA/r/n、/r/n一臺/r/nPC/r/n機(jī)只可能感染/r/nー/r/n種,木馬病毒/r/nB/r/n、/r/n木馬運(yùn)行/r/n時(shí),/r/n比較隱蔽,一般不會在任務(wù)欄/r/n上顯示/r/n出來/r/nC/r/n、/r/n木馬運(yùn)行/r/n時(shí),/r/n會占用系統(tǒng)的/r/nCPU./r/n內(nèi)存等資源/r/nD/r/n、/r/n木馬運(yùn)行/r/n時(shí),/r/n可以截獲鍵盤輸入,從而盜取用戶的口令.帳號等私密信息/r/n答案:/r/nA/r/n.信息系統(tǒng)中,分散的用戶不但可以共享包括數(shù)據(jù)在內(nèi)的各種計(jì)算機(jī)資源,而且還可以在系統(tǒng)的支持下,合作完成某ー工作,例如共同擬訂計(jì)劃.共同設(shè)計(jì)產(chǎn)品等。這已成為信息系統(tǒng)發(fā)展的/r/nー/r/n個(gè)趨勢,稱為/r/n()。/r/nA/r/n、/r/n計(jì)算機(jī)輔助協(xié)/r/n同工/r/n作/r/nB/r/n、/r/n功能智能化/r/nC/r/n、/r/n系統(tǒng)集成化/r/nD/r/n、/r/n信/r/n息/r/n多媒體化/r/n答案：/r/nA/r/n./r/n網(wǎng)絡(luò)通信協(xié)議是計(jì)算機(jī)網(wǎng)絡(luò)的組成部分之一,它的主要作用是/r/nA/r/n、/r/n負(fù)貴說明本地計(jì)算機(jī)的網(wǎng)絡(luò)配置/r/nB/r/n、/r/n負(fù)責(zé)協(xié)調(diào)本地計(jì)算機(jī)中的網(wǎng)絡(luò)硬件與軟件存取,/r/nC/r/n、/r/n規(guī)定網(wǎng)絡(luò)中所有通信鏈路的性能要求/r/nD/r/n、/r/n規(guī)定網(wǎng)絡(luò)中計(jì)算機(jī)相互通信時(shí)需要共同遵守的規(guī)則和約定/r/n./r/n能管理計(jì)算機(jī)的硬件設(shè)備并使應(yīng)用軟件方便.高效率的使用這些設(shè)備的是/r/n()〇/r/nA/r/n、/r/n操作系統(tǒng)/r/nB/r/n、/r/n編輯軟件/r/nC/r/n、/r/n數(shù)據(jù)庫/r/nD/r/n、/r/nCPU/r/n答案:/r/nA/r/n./r/n接入局域網(wǎng)的每臺計(jì)算機(jī)都必須安裝/r/n()。/r/nA/r/n、/r/n調(diào)制解調(diào)器/r/nB/r/n、/r/n網(wǎng)絡(luò)接口卡/r/nC/r/n、/r/n聲卡/r/nD/r/n、/r/n視頻卡/r/n答案:/r/nB/r/n./r/n在/r/nSQL/r/n數(shù)據(jù)庫的三級體系結(jié)構(gòu)中,視圖對應(yīng)于/r/n()()。/r/nA/r/n、/r/n面向用戶的關(guān)系模式/r/nB/r/n、/r/n系統(tǒng)的全局關(guān)系模式/r/nC/r/n、/r/n存儲文件/r/nD/r/n、/r/nE-R/r/n圖中的聯(lián)系/r/n答案：/r/nA/r/n./r/n連到局域網(wǎng)上的節(jié)點(diǎn)計(jì)算機(jī)必需要安裝/r/n()/r/n硬件。/r/nA/r/n、/r/n調(diào)制解調(diào)器/r/nB/r/n、/r/n交換機(jī)/r/nC/r/n、/r/n集線器/r/nD/r/n、/r/n網(wǎng)絡(luò)適配卡/r/n答案:/r/nD/r/n.在/r/nWindowsXP/r/n中,“剪貼板”是/r/n()/r/n的ー塊區(qū)域。/r/nA/r/n、/r/n軟盤上/r/nB/r/n、/r/n硬盤上/r/nC/r/n、/r/n高速緩存中/r/nD/r/n、/r/n內(nèi)存中/r/n答案:/r/nD/r/n.若十進(jìn)制數(shù)/r/n“-57”/r/n在計(jì)算機(jī)內(nèi)表示為/r/n11000111/r/n,則其表示方式為/r/nA/r/n、/r/nASCI/r/nI/r/n碼/r/nB/r/n、/r/n反碼/r/nC/r/n、/r/n原碼/r/nD/r/n、/r/n補(bǔ)碼/r/n答案：/r/nD/r/n.已知有兩個(gè)關(guān)系/r/nR1/r/n,/r/nR2/r/n(如圖所/r/n示),/r/n若進(jìn)行/r/nR1/r/n與/r/nR2/r/n的自然連接運(yùn)算,結(jié)果關(guān)系的元組個(gè)數(shù)有/r/n〇。/r/nA/r/n、/r/n4/r/n個(gè)/r/nB/r/n、/r/n5/r/n個(gè)/r/nC/r/n、/r/n6/r/n個(gè)/r/nD/r/n、/r/n7/r/n個(gè)/r/n答案：/r/nB/r/n.接入局域網(wǎng)的每臺計(jì)算機(jī)都必須安裝/r/nA/r/n、/r/n調(diào)制解調(diào)器/r/nB/r/n、/r/n網(wǎng)絡(luò)接口卡/r/nC/r/n、/r/n聲卡/r/nD/r/n、/r/n視頻卡/r/n答案:/r/nB/r/n./r/n在/r/nWINDOWS/r/n中/r/n同/r/n時(shí)/r/n運(yùn)行多個(gè)應(yīng)用程序后,/r/nー/r/n些窗/r/n口會/r/n遮/r/n住/r/n另外一些窗/r/nロ,/r/n這時(shí)/r/n用/r/n戶可將鼠標(biāo)移到/r/n〇/r/n空白區(qū)域單擊鼠標(biāo)右鍵啟動快捷菜單來重新排列/r/n這些窗口(平鋪.層疊等)。/r/nA/r/n、/r/n標(biāo)題欄/r/nB/r/n、/r/n工具/r/n欄/r/nC/r/n、/r/n任務(wù)欄/r/nD/r/n、/r/n菜單欄/r/n答案:/r/nC/r/n./r/n在計(jì)算機(jī)中使用的鍵盤是連接在/r/n()/r/n。/r/nA/r/n、/r/n打/r/n印/r/n機(jī)接口上的/r/nB/r/n、/r/n顯示器/r/n接口上的/r/nC/r/n、/r/n并行接口上的/r/nD/r/n、/r/n串/r/n行接口上的/r/n答案：/r/nD/r/n./r/n下列選項(xiàng)中，/r/n0/r/n不/r/n是/r/n計(jì)算機(jī)/r/n中采/r/n用/r/n二進(jìn)制的原因。/r/nA/r/n、/r/n物理/r/n器/r/n件易找/r/nB/r/n、/r/n運(yùn)算規(guī)則簡單/r/nC/r/n、/r/n把邏輯運(yùn)算與算術(shù)運(yùn)算聯(lián)系了起來/r/nD/r/n、/r/n能提高運(yùn)算精度/r/n答案:/r/nD/r/n./r/n計(jì)算機(jī)利用電話線向其他計(jì)算機(jī)發(fā)送數(shù)據(jù)/r/n時(shí),/r/n需使用數(shù)字信號來調(diào)整載波信號的參數(shù),才能遠(yuǎn)距離傳輸信/r/n息。/r/n所用的設(shè)備是/r/n()。/r/nA/r/n、/r/n調(diào)制器/r/nB/r/n、/r/n解調(diào)器/r/nC/r/n、/r/n編碼器/r/nD/r/n、/r/n解碼器/r/n答案:/r/nA/r/n./r/n下列操作中,不能退出/r/nExCe/r/n!/r/n的操作是/r/n()。/r/nA/r/n、/r/n執(zhí)行"文件/r/nT/r/n關(guān)閉"菜單命令/r/nB/r/n、/r/n執(zhí)行"文件/r/nT/r/n退出"菜單命令/r/nC/r/n、/r/n單擊標(biāo)題欄左端/r/nExcel/r/n窗口的控制菜單按鈕,選擇"關(guān)閉"命令/r/nD/r/n、/r/n按快捷鍵/r/n[Alt]+[F4]/r/n答案：/r/nA/r/n67,/r/n在/r/n64/r/n位高檔微機(jī)中,/r/nー/r/n個(gè)字長所占的二進(jìn)制位數(shù)為/r/n()。/r/nA/r/n、/r/n8/r/nB/r/n、/r/n16/r/nC/r/n、/r/n32/r/nD/r/n、/r/n64/r/n答案：/r/nD/r/n.在微機(jī)中，/r/nBit/r/n的中文含義是/r/n0/r/n。/r/nA/r/n、/r/n二進(jìn)制位/r/nB/r/n、/r/n雙字/r/nC/r/n、/r/n字節(jié)/r/nD/r/n、/r/n字/r/n答案:/r/nA/r/n./r/n以太網(wǎng)的特點(diǎn)之一是使用專用線路進(jìn)行數(shù)據(jù)通信,目前以太網(wǎng)使用最多的傳輸介質(zhì)是/r/n()。/r/nA/r/n、/r/n同/r/n軸電纜/r/nB/r/n、/r/n無線電波/r/nC/r/n、/r/n雙絞線/r/nD/r/n、/r/n光纖/r/n答案:/r/nC/r/n./r/n計(jì)算機(jī)網(wǎng)絡(luò)按覆蓋范圍來分可分為/r/n()/r/n。/r/nA/r/n、/r/n以太網(wǎng)和令牌網(wǎng)/r/nB/r/n、/r/n局域網(wǎng)和以太網(wǎng)/r/nC/r/n、/r/n局域網(wǎng)和廣域網(wǎng)/r/nD/r/n、/r/n廣域網(wǎng)和以太網(wǎng)/r/n答案：/r/nC/r/n./r/n采用總線型拓?fù)浣Y(jié)構(gòu)的局域網(wǎng)通常是/r/n()/r/n。/r/nA/r/n、/r/n令牌環(huán)網(wǎng)/r/nB/r/n、/r/nFDDI/r/nC/r/n、/r/n以太網(wǎng)/r/nD/r/n、/r/nATM/r/n答案:/r/nC/r/n./r/n撰寫論文,應(yīng)該用下列。軟件。/r/nExce/r/nI/r/nWPS2000/r/nSPSS/r/nD/r/nヽ/r/nE-maiI/r/n答案:/r/nB/r/n./r/n下列關(guān)于打印機(jī)的說法,錯(cuò)誤的是/r/n〇。/r/nA/r/n、/r/n針式打印機(jī)只能打印漢字和/r/nASCII/r/n字符,不能打印圖像/r/nB/r/n、/r/n噴墨打印機(jī)是使墨水噴射到紙上形成圖像或字符的/r/nC/r/n、/r/n激光打印機(jī)是利用激光成像.靜電吸附碳粉原理工作的/r/nD/r/n、/r/n針式打印機(jī)是擊打式打印機(jī),噴墨打印機(jī)和激光打印機(jī)是非擊打式打印機(jī)/r/n答案：/r/nA/r/n./r/n操作系統(tǒng)的作用之一是/r/n()。/r/nA/r/n、/r/n將源程序編譯為目標(biāo)程序/r/nB/r/n、/r/n實(shí)現(xiàn)企業(yè)目標(biāo)管理/r/nC/r/n、/r/n控制和管理計(jì)算機(jī)系統(tǒng)的軟硬件資源/r/nD/r/n、/r/n實(shí)現(xiàn)文字編輯,排版功能/r/n答案：/r/nC/r/n.決策支持系統(tǒng)是ー種常見的系統(tǒng)。/r/nA/r/n、/r/n信息分析/r/nB/r/n、/r/n信息檢索/r/nC/r/n、/r/n輔助技術(shù)/r/nD/r/n、/r/n辦公信息/r/n答案:/r/nA/r/n./r/n下列設(shè)備中,不能連接在/r/nPC/r/n機(jī)/r/n主/r/n板/r/nIDE/r/n接口上的是/r/n()。/r/nA/r/n、/r/n打印機(jī)/r/nB/r/n、/r/n光盤刻錄機(jī)/r/nC/r/n、/r/n硬盤驅(qū)動器/r/nD/r/n、/r/n光盤驅(qū)動器/r/n答案:/r/nA/r/n./r/n在網(wǎng)絡(luò)中為其它計(jì)算機(jī)提供共享硬盤.共享打印機(jī)及電子郵件服務(wù)等功能的計(jì)算機(jī)稱為/r/n()。/r/nA/r/n、/r/n網(wǎng)絡(luò)協(xié)議/r/nB/r/n、/r/n網(wǎng)絡(luò)服務(wù)/r/n器/r/nC/r/n、/r/n絡(luò)拓?fù)浣Y(jié)構(gòu)/r/nD/r/n、/r/n網(wǎng)絡(luò)終端/r/n答案：/r/nB/r/n.Access/r/n是ー種/r/n()/r/n數(shù)據(jù)庫管理系統(tǒng)。/r/nA/r/n、/r/n發(fā)散型/r/nB/r/n、/r/n集中型/r/nC/r/n、/r/n關(guān)系型/r/nD/r/n、/r/n邏輯型/r/n答案:/r/nc/r/n.在/r/nC/r/n語言中,“/r/nif./r/n一/r/nelse./r/n語句屬于高級程序設(shè)計(jì)語言中的/r/n()/r/n成分。/r/nA/r/n、/r/n數(shù)據(jù)/r/nB/r/n、/r/n運(yùn)算/r/nC/r/n、/r/n控制/r/nD/r/n、/r/n傳輸/r/n答案:/r/nC/r/n./r/n關(guān)于定點(diǎn)數(shù)與浮點(diǎn)數(shù)的敘述中,錯(cuò)誤的是/r/n()。/r/nA/r/n、/r/n同一個(gè)數(shù)的浮點(diǎn)數(shù)表示形式并不惟ー/r/nB/r/n、/r/n長度相同/r/n時(shí),/r/n浮點(diǎn)數(shù)的表示范圍通常比定點(diǎn)數(shù)大/r/nC/r/n、/r/n整數(shù)在計(jì)算機(jī)中用定點(diǎn)數(shù)表示,不能用浮點(diǎn)數(shù)表示/r/nD/r/n、/r/n計(jì)算機(jī)中實(shí)數(shù)是用浮點(diǎn)數(shù)來表示的/r/n答案:/r/nC/r/n./r/n在計(jì)算機(jī)中,既可作為輸入設(shè)備又可作為輸出設(shè)備的是/r/n()。/r/nA/r/n、/r/n顯示器/r/nB/r/n、/r/n磁盤驅(qū)動器/r/nC/r/n、/r/n鍵盤/r/nD/r/n、/r/n圖形掃描儀/r/n答案：/r/nB/r/n./r/nU/r/n盤屬于/r/n()。/r/nA/r/n、/r/n只讀存儲器/r/nB/r/n、/r/n光存儲器/r/nC/r/n、/r/n外存儲器/r/nD/r/n、/r/n內(nèi)存儲器/r/n答案:/r/nC/r/n83./r/n當(dāng)用戶打開ー個(gè)應(yīng)用軟件/r/n時(shí),/r/n若提示“存儲空間不夠”,可能是指。資源不足。/r/nA/r/n、/r/nROM/r/nB/r/n、/r/nRAM/r/nCache/r/nCD-ROM/r/n答案:/r/nB/r/n./r/n下列可作為一臺/r/n主/r/n機(jī)/r/nIP/r/n地址的是/r/n0/r/n。/r/nA/r/n、/r/n/r/nB/r/n、/r/n202.115./r/n1./r/n255/r/nG202.115.255./r/n12/r/nD/r/n、/r/n202.115.255./r/n255/r/n答案：/r/nC/r/n.我們撥號上網(wǎng)/r/n時(shí)/r/n所用的被俗稱為“貓”的設(shè)備是/r/n〇。/r/nA/r/n、/r/n編碼解碼器/r/nB/r/n、/r/n解調(diào)調(diào)制器/r/nC/r/n、/r/n調(diào)制解調(diào)器/r/nD/r/n、/r/n網(wǎng)絡(luò)鏈接器/r/n答案：/r/nC/r/n./r/n以下關(guān)于關(guān)系數(shù)據(jù)模型的敘述中,錯(cuò)誤的是/r/n()。/r/nA/r/n、/r/n關(guān)系中每個(gè)屬性是不可再分的數(shù)據(jù)項(xiàng)/r/nB/r/n、/r/n關(guān)系中不同的屬性可有相同的值域和屬性名/r/nC/r/n、/r/n關(guān)系中不允許出現(xiàn)相同的元組/r/nD/r/n、/r/n關(guān)系中元組的次序可以交換/r/n答案:/r/nB/r/n.決策支持系統(tǒng)是ー種常見的/r/n()/r/n系統(tǒng)。/r/nA/r/n、/r/n信息分析/r/nB/r/n、/r/n專家/r/nC/r/n、/r/n輔助技術(shù)/r/nD/r/n、/r/n知識層業(yè)務(wù)處理/r/n答案:/r/nA/r/n./r/n要在下拉菜單中選擇某命令,下列操作中錯(cuò)誤的是/r/n〇。/r/nA/r/n、/r/n用鼠標(biāo)單擊該命令選項(xiàng)/r/nB/r/n、/r/n用鍵盤上四個(gè)方向鍵將高亮度條移至該命令選項(xiàng)后按回車鍵/r/nC/r/n、/r/n直接按該命令選項(xiàng)后括號中帶有下劃線的字母鍵/r/nD/r/n、/r/n同/r/n時(shí)/r/n按下/r/nALT/r/n鍵與該命令選項(xiàng)后括號中帶有下劃線的字母鍵/r/n答案：/r/nD/r/n.計(jì)算機(jī)信息系統(tǒng)是ー類數(shù)據(jù)密集型的應(yīng)用系統(tǒng),其特點(diǎn)的敘述中錯(cuò)誤/r/n〇。/r/nA/r/n、/r/n絕大部分?jǐn)?shù)據(jù)需長期保留/r/nB/r/n、/r/n計(jì)算機(jī)系統(tǒng)用內(nèi)存保留這些數(shù)據(jù)/r/nC/r/n、/r/n數(shù)據(jù)可為多個(gè)應(yīng)用程序共享/r/nD/r/n、/r/n數(shù)據(jù)模式面向全局應(yīng)用/r/n答案:/r/nB/r/n./r/n在對關(guān)系/r/nR/r/n和關(guān)系/r/nS/r/n進(jìn)行差操作/r/n時(shí),/r/n要求/r/nR/r/n和/r/nS/r/n0/r/n。/r/nA/r/n、/r/n都不是空關(guān)系/r/nB/r/n、/r/n具有相同的模式結(jié)構(gòu)/r/nC/r/n、/r/nR/r/n的元組要多于/r/nS/r/n的元組/r/nD/r/n、/r/n不能有相同的元組/r/n答案:/r/nB/r/n.按/r/n()/r/n鍵之后,可刪除光標(biāo)位置前的一個(gè)字符。/r/nA\/r/nI/r/nnsert/r/nB/r/n、/r/nDel/r/nC/r/n、/r/nBackspace/r/nD/r/n、/r/nEDn/r/n答案：/r/nc/r/n./r/n用戶在/r/nW0RD97/r/n中編輯某文檔時(shí),突然被要求創(chuàng)建一新的文檔進(jìn)行編輯。這時(shí),該用戶正確操作方法是/r/n()。/r/nA/r/n、/r/n選擇“文件"菜單/單擊"打開”/r/nB/r/n、/r/n選擇"文件"菜單/單擊"新建”/r/nC/r/n、/r/n選擇"插入"菜單/單擊"文件"/r/nD/r/n、/r/n選擇"插入"菜單/單擊"對象"/r/n答案：/r/nB/r/n.計(jì)算機(jī)的主存儲器分為/r/n〇。/r/nA/r/n、/r/n內(nèi)存儲器和外存儲器/r/nB/r/n、/r/n讀寫存儲器和輔助存儲器/r/nC/r/n、/r/n隨機(jī)存取存儲器和只讀存儲器/r/nD/r/n、/r/n隨/r/n機(jī)存儲器和讀寫存儲器/r/n答案:/r/nC/r/n./r/n一般來說,在多任務(wù)處理系統(tǒng)中,/r/n0,/r/nCPU/r/n響應(yīng)越/r/n慢。/r/nA/r/n、/r/n任務(wù)數(shù)越少/r/nB/r/n、/r/n任務(wù)數(shù)越多/r/nC/r/n、/r/n硬盤/r/n容量/r/n越小/r/nD/r/n、/r/n內(nèi)存/r/n容量/r/n越大/r/n答案:/r/nB/r/n.Unix/r/n和/r/nLinux/r/n是使用較為廣/r/n泛/r/n的多用戶交互式分時(shí)操作系統(tǒng)。下列敘述/r/n中,/r/n錯(cuò)誤的是/r/n()。/r/nA/r/n、/r/nTCP/IP/r/n網(wǎng)絡(luò)協(xié)議是在/r/nUnix/r/n系統(tǒng)上開發(fā)成功的/r/nB/r/n、/r/n它們的大部分代碼是用/r/nC/r/n語言編寫的/r/nC/r/n、/r/n它們是目前網(wǎng)絡(luò)服務(wù)/r/n器/r/n使用得很多的操作系統(tǒng)/r/nD/r/n、/r/n它/r/n們適用于/r/n大中型機(jī)或網(wǎng)絡(luò)服務(wù)/r/n器,/r/n但不能/r/n用/r/n于便攜機(jī)/r/n答案：/r/nD/r/n./r/n十/r/n進(jìn)制數(shù)/r/n1/r/n024/r/n轉(zhuǎn)換成二進(jìn)制數(shù)是/r/n()/r/n。/r/nA/r/n、/r/n100/r/n1000000/r/n1000000000/r/nD/r/n、/r/n1.0E10/r/n答案:/r/nc/r/n./r/n以下列出了計(jì)算機(jī)信息系統(tǒng)抽象結(jié)構(gòu)層次,在系統(tǒng)中為實(shí)現(xiàn)相關(guān)業(yè)務(wù)功能(包括流程.規(guī)則.策略等)而編制的程序代碼/r/nA/r/n、/r/n屬于業(yè)務(wù)邏輯層/r/nB/r/n、/r/n屬于資源管理層/r/nC/r/n、/r/n屬于應(yīng)用表現(xiàn)層/r/nD/r/n、/r/n不在以上所列層次中/r/n答案:/r/nA/r/n./r/n為了延長機(jī)器壽命.使用計(jì)算機(jī)時(shí)最好/r/n()/r/n。/r/nA/r/n、/r/n用干凈的棉布蓋住顯示器/r/nB/r/n、/r/n用干凈的濕布給主機(jī)降溫/r/nC/r/n、/r/n用綿布蓋住機(jī)箱的各個(gè)能進(jìn)灰塵的小孔/r/nD/r/n、/r/n不檔住顯示/r/n器/r/n和主機(jī)箱上的孔/r/n答案:/r/nD/r/n.供計(jì)算機(jī)顯示或網(wǎng)頁上使用的圖象,如中低分辨率/r/n(1024*768)/r/n即可,則選用像素的數(shù)碼相機(jī),原則上已經(jīng)能夠滿足要求。/r/n300/r/n萬/r/n100/r/n萬/r/nG/r/n50/r/n萬/r/nD/r/n、/r/n500/r/n萬以上/r/n答案：/r/nB/r/n100./r/n操作系統(tǒng)具有存儲器管理功能,它可以自動“擴(kuò)充”內(nèi)存,為用戶提供ー個(gè)容量比實(shí)際內(nèi)存大得多的/r/n()。/r/nA/r/n、/r/n虛擬存儲器/r/nB/r/n、/r/n脫機(jī)緩沖存儲器/r/nC/r/n、/r/n高速緩沖存儲器/r/nD/r/n、/r/n離線后備存儲器/r/n答案:/r/nA/r/n101/r/n,下列關(guān)于聲卡的敘述,錯(cuò)誤的是/r/n()。/r/nA/r/n、/r/n聲卡既可以獲取和重建聲音,也可以進(jìn)行/r/nMIDI/r/n音樂的合成/r/nB/r/n、/r/n聲卡不僅能獲取單聲道聲音,而且還能獲取雙聲道聲音/r/nC/r/n、/r/n聲卡的聲源可以是話筒輸入,也可以是線路輸入(從其它設(shè)備輸入)/r/nD/r/n、/r/n將聲波信號轉(zhuǎn)換為電信號也是聲卡的主要功能之一/r/n答案:/r/nD/r/n.在/r/nIE/r/n地址欄輸入的/r/nH/r/nhttp://./"/r/n中，/r/nhttp/r/n代表的是/r/n()/r/n。/r/nA/r/n、/r/n協(xié)議/r/nB/r/n、/r/n主機(jī)/r/nC/r/n、/r/n地址/r/nD/r/n、/r/n資源/r/n答案：/r/nA/r/n./r/n()/r/n的投遞與距離的遠(yuǎn)近沒有關(guān)系,幾乎是即發(fā)即收。/r/nA/r/n、/r/n普通郵件/r/nB/r/n、/r/nEMS/r/nC/r/n、/r/n電子郵件/r/nD/r/n、/r/n航空郵件/r/n答案:/r/nc/r/n./r/n根據(jù)某進(jìn)制數(shù)的運(yùn)算規(guī)則/r/n2X3=10,/r/n則/r/n3X5=0/r/n〇/r/nA/r/n、/r/n15/r/nB/r/n、/r/n17/r/nC/r/n、/r/n21/r/nD/r/n、/r/n23/r/n答案:/r/nD/r/n./r/n制作電子版的演示材料,選用下列/r/n()/r/n軟件比較/r/n合理。/r/nSPSS/r/nExceI/r/nWord/r/nD/r/n、/r/nPowerPoint/r/n答案:/r/nD/r/n./r/n用/r/n計(jì)算機(jī)/r/n進(jìn)行資料檢索工作,是屬于計(jì)算機(jī)應(yīng)用中的/r/n()。/r/nA/r/n、/r/n科學(xué)計(jì)算/r/nB/r/n、/r/n數(shù)據(jù)處理/r/nC/r/n、/r/n實(shí)時(shí)控制/r/nD/r/n、/r/n人工智能/r/n答案：/r/nB/r/n./r/n在/r/nWorD2000/r/n中,要復(fù)制選定的文檔內(nèi)容,可使用鼠標(biāo)指針指向被選定的內(nèi)容并按住/r/n()/r/n鍵,拖拽鼠標(biāo)至目標(biāo)處。/r/nA/r/nヽ/r/n/r/nCtr/r/nI/r/nB/r/n、/r/nShift/r/nC/r/n、/r/nAlt/r/nD/r/n、/r/nI/r/nns/r/n答案:/r/nA/r/n./r/n符號名為代表的因特網(wǎng)主機(jī)域名中,商業(yè)組織的第/r/n2/r/n級域名是/r/n()。/r/nA/r/n、/r/nB/r/n、/r/nEDU/r/nC/r/n、/r/nNET/r/nD/r/n、/r/nGOV/r/n答案:/r/nA/r/n./r/n計(jì)算機(jī)中采用二進(jìn)制計(jì)數(shù)系統(tǒng)的理由是/r/n()。/r/nA/r/n、/r/n運(yùn)算規(guī)則簡單/r/nB/r/n、/r/n易于進(jìn)行邏輯運(yùn)算/r/nC/r/n、/r/n易于物理實(shí)現(xiàn)/r/nD/r/n、/r/n以上三點(diǎn)/r/n答案：/r/nD/r/n./r/nWindows/r/n中將信息傳送到剪貼板不正確的方法是/r/n()。/r/nA/r/n、/r/n用“復(fù)制”命令把選定的對象送到剪貼板/r/nB/r/n、/r/n用“剪切”命令把選定的對象送到剪貼板/r/nC/r/n、/r/n用/r/nCTRL+V/r/n把選定的對象送到剪貼板/r/nD/r/n、/r/nAlt+PrintScreen/r/n把當(dāng)前窗口送到剪貼板/r/n111,/r/n具有多媒體功能的微型計(jì)算機(jī)系統(tǒng)中使用的/r/nCD-ROM/r/n是ー種/r/n()/r/n。/r/nA/r/n、/r/n半導(dǎo)體存儲器/r/nB/r/n、/r/n只讀型硬磁盤/r/nC/r/n、/r/n只讀型光盤/r/nD/r/n、/r/n只讀型大容/r/n量/r/n軟磁盤/r/n答案:/r/nC/r/n./r/n下列有關(guān)網(wǎng)絡(luò)操作系統(tǒng)的敘述中,錯(cuò)誤的是/r/n()/r/n。/r/nA/r/n、/r/n網(wǎng)絡(luò)操作系統(tǒng)通常安裝在服務(wù)器上運(yùn)行/r/nB/r/n、/r/n網(wǎng)絡(luò)操作系統(tǒng)都具備網(wǎng)絡(luò)通信功能,使得計(jì)算機(jī)能夠接入網(wǎng)絡(luò)并正常工作/r/nC/r/n、/r/n網(wǎng)絡(luò)操作系統(tǒng)應(yīng)能滿足用戶的任何操作請求/r/nD/r/n、/r/n利用網(wǎng)絡(luò)操作系統(tǒng)可以管理.檢測和記錄客戶機(jī)的操作/r/n答案:/r/nC/r/n./r/n無線接口鍵盤是ー/r/n種/r/n較新的鍵盤,它使用方便,多用于便攜式/r/nPC/r/n機(jī),下列關(guān)于無線鍵盤的描述中錯(cuò)誤的是/r/n()。/r/nA/r/n、/r/n輸入信/r/n息/r/n不經(jīng)過/r/nI/O/r/n接口直接輸入計(jì)算機(jī),因而/r/n其/r/n速度較快/r/nB/r/n、/r/n無線鍵盤使用比較靈活方便/r/nC/r/n、/r/n使用無線鍵盤時(shí),主機(jī)上必須安裝專用接收器/r/nD/r/n、/r/n無線鍵盤具備一般鍵盤的功能/r/n答案：/r/nA/r/n./r/n在/r/nWinDows/r/n環(huán)境下,在幾個(gè)任務(wù)間切換可用鍵盤命令/r/n()/r/n。/r/nA/r/n、/r/nALT+TAB/r/nGCTRL+TAB/r/nD/r/n、/r/nALT+ESC/r/n答案:/r/nA/r/n.以下敘述正確的是/r/n〇。()/r/nA/r/n、/r/nTCP/IP/r/n協(xié)議只包含傳輸控制協(xié)議和網(wǎng)絡(luò)協(xié)議/r/nB/r/n、/r/nTCP/IP/r/n協(xié)議是最早的網(wǎng)絡(luò)體系結(jié)構(gòu)國際標(biāo)準(zhǔn)/r/nC/r/n、/r/nTCP/IP/r/n協(xié)議廣泛用于異構(gòu)網(wǎng)絡(luò)的互連/r/nD/r/n、/r/nTCP/IP/r/n協(xié)議包含/r/n7/r/n個(gè)層次/r/n答案:/r/nC/r/n./r/n操作系統(tǒng)的功能是/r/n()。/r/nA/r/n、/r/n處理器管理,存儲器管理,設(shè)備管理,文件管理/r/nB/r/n、/r/n運(yùn)算器管理,控制器管理,打印機(jī)管理,磁盤管理/r/nC/r/n、/r/n硬盤管理,控制器管理,存儲器管理,文件管理/r/nD/r/n、/r/n程序管理,文件管理,編譯管理,設(shè)備管理/r/n答案:/r/nA/r/n.在/r/nWindows/r/n中刪除程序是/r/n()。/r/nA/r/n、/r/n執(zhí)行控制面板“添加/刪除程序”/r/nB/r/n、/r/n直接刪除磁盤上的程序/r/nC/r/n、/r/n刪除開始按鈕中的程序項(xiàng)/r/nD/r/n、/r/n刪除桌面的程序項(xiàng)/r/n答案：/r/nA/r/n.打印機(jī)可分為針式打印/r/n機(jī)./r/n激光打/r/n印/r/n機(jī)和/r/n噴墨打印/r/n機(jī),其中激光打印機(jī)的特點(diǎn)是/r/n()/r/n。/r/nA/r/n、/r/n高質(zhì)量./r/n高速度/r/nB/r/n、/r/n可方便地打印/r/n票據(jù)/r/nC/r/n、/r/n可低成本/r/n地/r/n打/r/n印/r/n彩色頁面/r/nD/r/n、/r/n比噴墨打/r/n印/r/n機(jī)便宜/r/n答案:/r/nA/r/n119,/r/n以下打印/r/n機(jī)/r/n中,/r/n需要/r/n安裝色帶才能在打印紙上/r/n印出/r/n文字和圖案的是/r/n()。/r/nA/r/n、/r/n激光打/r/n印/r/n機(jī)/r/nB/r/n、/r/n壓電噴/r/n墨/r/n式打/r/n印/r/n機(jī)/r/nC/r/n、/r/n熱噴墨式打/r/n印/r/n機(jī)/r/nD/r/n、/r/n針式打/r/n印/r/n機(jī)/r/n答案:/r/nD/r/n120./r/n以下所列技/r/n術(shù)/r/n中,下行流比上行流傳輸速率更/r/n高/r/n的是/r/n()/r/n。/r/nA/r/n、/r/n普通電話/r/nMODEM/r/nISDN/r/nASDL/r/nD/r/n、/r/n光纖接入網(wǎng)/r/n答案：/r/nC/r/n.計(jì)算/r/n機(jī)在使用網(wǎng)絡(luò)過程中,經(jīng)常運(yùn)用相關(guān)命令進(jìn)行各種測試,下列不屬于絡(luò)命令的是/r/nA/r/n、/r/nPing/r/nC/r/n、/r/nConf/r/ni/r/nDvPacket/r/n答案:/r/nD/r/n./r/n計(jì)算機(jī)輔助設(shè)計(jì)的英文縮寫是/r/n()/r/n。/r/nA/r/n、/r/nCAD/r/nB/r/n、/r/nCAM/r/nC/r/n、/r/nCAE/r/nD/r/n、/r/nCAT/r/n答案:/r/nA/r/n./r/n數(shù)字聲音獲取時(shí),影響其碼率大小的因素有多個(gè),下面不是影響聲音碼率的因素。/r/nA/r/n、/r/n取樣頻率/r/nB/r/n、/r/n聲卡的類型/r/nC/r/n、/r/n量化位數(shù)/r/nD/r/n、/r/n聲道數(shù)/r/n答案：/r/nB/r/n.打印機(jī)的重要性能指標(biāo)包括,打印精度.色彩數(shù)目和打印成本。/r/nA/r/n、/r/n打印數(shù)量/r/nB/r/n、/r/n打印方式/r/nC/r/n、/r/n打印速度/r/nD/r/n、/r/n打印機(jī)功耗/r/n125,/r/n在/r/n微/r/n機(jī)中,存儲/r/n容量/r/n為/r/n5MB,/r/n指的是/r/n()。/r/nA/r/n、/r/n5X/r/n1/r/n000X/r/n1/r/n000/r/n個(gè)字節(jié)/r/nB/r/n、/r/n5X1000X1024/r/n個(gè)字節(jié)/r/nG5X1024X1000/r/n個(gè)字節(jié)/r/nD/r/n、/r/n5X1024X1024/r/n個(gè)字節(jié)/r/n答案:/r/nD/r/n./r/n顯示器是/r/nPC/r/n不可缺少的ー種輸岀設(shè)備,/r/nPC/r/n通過顯示控制卡(顯卡)控制其エ作,在下面有關(guān)/r/nPC/r/n顯卡的敘述中,正確的是/r/nA/r/n、/r/n顯卡與液晶/r/n顯示器/r/n的連接大多采用/r/nPCI-E/r/n接口/r/nB/r/n、/r/n目前顯卡可支持的分辨/r/n率/r/n大多達(dá)到/r/n1024*768,/r/n單可顯示的顏色數(shù)目還不超過/r/n65536/r/n種/r/nC/r/n、/r/n示/r/n屏/r/n上顯示的信/r/n息/r/n預(yù)先都被保存在顯示/r/n存儲器/r/n中,在顯卡的控制下ー幀ー幀地送到屏幕/r/n上/r/n進(jìn)行顯/r/n示/r/nD/r/n、/r/n獨(dú)立顯卡與/r/n主/r/n機(jī)的接/r/n口/r/n大多是/r/nUSB3./r/n0/r/n答案:/r/nC/r/n.在/r/nWindows/r/n“資源管理器”窗/r/n口/r/n右部選定所有文件,如果要取消其中幾個(gè)文件的選定,應(yīng)進(jìn)行的操作是/r/n()。/r/nA/r/n、/r/n用鼠標(biāo)左鍵依次單擊各個(gè)要取消選定的文件/r/nB/r/n、/r/n按住/r/nCtrl/r/n鍵,再用鼠標(biāo)左鍵依次單擊各個(gè)要取消選定的文件/r/nC/r/n、/r/n按住/r/nShift/r/n鍵,再用鼠標(biāo)左鍵依次單擊各個(gè)要取消選定的文件/r/nD/r/n、/r/n用鼠標(biāo)右鍵依次單擊各個(gè)要取消選定的文件/r/n答案：/r/nB/r/n./r/n在/r/nPC/r/n機(jī)中,輸入/輸出設(shè)備通過與各自的控制器連接起來。/r/nA/r/n、/r/nI/O/r/n總線/r/nB/r/n、/r/nI/O/r/n控制器/r/nGI/O/r/n接/r/n口/r/nD/r/n、/r/nI/O/r/n設(shè)備/r/n答案:/r/nC/r/n./r/n在下列存儲器中,用于存儲顯示屏上圖像信息的是/r/n()。/r/nA/r/n、/r/nROM/r/nB/r/n、/r/nCACHE/r/nC/r/n、/r/n外存/r/nD/r/n、/r/n顯示存儲器/r/n答案:/r/nD/r/n./r/n計(jì)算機(jī)網(wǎng)絡(luò)技術(shù)包含的兩個(gè)主要技術(shù)是計(jì)算機(jī)技術(shù)和/r/n〇〇/r/nA/r/n、/r/n微電子技術(shù)/r/nB/r/n、/r/n通信技術(shù)/r/nC/r/n、/r/n數(shù)據(jù)處理技術(shù)/r/nD/r/n、/r/n自動化技術(shù)/r/n答案：/r/nB/r/n.局域網(wǎng)常用的基本拓?fù)浣Y(jié)構(gòu)有/r/n()/r/n.環(huán)型和星型。/r/nA/r/n、/r/n層次型/r/nB/r/n、/r/n總線型/r/nC/r/n、/r/n交換型/r/nD/r/n、/r/n分組型/r/n答案:/r/nB/r/n.上網(wǎng)的網(wǎng)址應(yīng)在游覽器的什么欄輸入/r/n〇。/r/nA/r/n、/r/n標(biāo)題欄/r/nB/r/n、/r/n地址欄/r/nC/r/n、鏈接欄/r/nD/r/n、/r/n頻道欄/r/n答案:/r/nB/r/n.WINDOWS/r/n通用串行總線/r/nUSB/r/n的用途是/r/n()。/r/nA/r/n、/r/n配接打印機(jī)/r/nB/r/n、/r/n允許同時(shí)運(yùn)行多個(gè)串接的外部設(shè)備/r/nC/r/n、/r/n用來連接鼠標(biāo)/r/nD/r/n、/r/n允許運(yùn)行多個(gè)外部串接設(shè)備,但設(shè)備必須同相同/r/n答案：/r/nB/r/n./r/n下面不屬于硬盤存儲器主要技術(shù)指標(biāo)的是/r/n()。/r/nA/r/n、/r/n數(shù)據(jù)傳輸速率/r/nB/r/n、/r/n扇區(qū)容量/r/nC/r/n、/r/n緩沖存儲器大小/r/nD/r/n、/r/n平均存取/r/n時(shí)/r/n間/r/n答案：/r/nB/r/n./r/n要/r/n將一/r/n個(gè)已編輯好的文檔保存到當(dāng)前目錄外的另一指定目錄中,正確操作方法是/r/n()。/r/nA/r/n、/r/n選擇“文件"菜單/單擊“保存”,讓系統(tǒng)自動保存/r/nB/r/n、/r/n選擇“文件”菜單/單擊"另存為",再在"另存為"文件對話框中選擇目錄保存/r/nC/r/n、/r/n選擇"文件"菜單/單擊"退出",讓系統(tǒng)自動保存/r/nD/r/n、/r/n選擇"文件"菜單/單擊"關(guān)閉",讓系統(tǒng)自動保存/r/n答案:/r/nB/r/n./r/n計(jì)算機(jī)/r/n技術(shù)和/r/n()/r/n技術(shù)相結(jié)/r/n合,/r/n出/r/n現(xiàn)了計(jì)/r/n算機(jī)網(wǎng)絡(luò)。/r/nA/r/n、/r/n自動化/r/nB/r/n、/r/n通信/r/nC/r/n、/r/n信息/r/nD/r/n、/r/n電纜/r/n答案:/r/nB/r/n./r/n在/r/nWord/r/n文檔/r/n"doc1"/r/n中,把文字"/r/n圖/r/n表"設(shè)為超鏈接,指向一個(gè)名為/r/n"Tabi/r/ne1/r/n"的/r/nExcel/r/n文件,則鏈宿為/r/n〇。/r/nA/r/n、/r/n文字"圖表"/r/nB/r/n、/r/n文件"/r/nTabi/r/ne1./r/nx/r/nIs"/r/nGWord/r/n文檔/r/n"doc1/r/n./r/ndoc"/r/nD/r/n、/r/nWord/r/n文檔的當(dāng)前頁/r/n答案：/r/nB/r/n./r/n關(guān)于數(shù)據(jù)庫系統(tǒng)的敘述中,錯(cuò)誤的是/r/n()/r/n。/r/nA/r/n、/r/n物理數(shù)/r/n據(jù)/r/n庫指長期存放在外存上的可共/r/n享/r/n的相關(guān)數(shù)/r/n據(jù)/r/n的集合/r/nB/r/n、/r/n數(shù)/r/n據(jù)/r/n庫中存放有"元數(shù)/r/n據(jù)"/r/nC/r/n、/r/n數(shù)/r/n據(jù)/r/n庫系統(tǒng)支持環(huán)境不包括操作系統(tǒng)/r/nD/r/n、/r/n用戶使用/r/nSQL/r/n實(shí)現(xiàn)對數(shù)據(jù)庫的基本操作/r/n答案:/r/nc/r/n./r/n為確保企業(yè)局域網(wǎng)的/r/n信/r/n息安全,防止來自/r/nInternet/r/n的黑客入侵,采用/r/n()/r/n可以實(shí)現(xiàn)一定的防范作用。/r/nA/r/n、/r/n網(wǎng)絡(luò)計(jì)費(fèi)軟件/r/nB/r/n、/r/n垃圾郵件列表/r/nC/r/n、/r/n防火墻軟件/r/nD/r/n、/r/n防病毒軟件/r/n答案:/r/nC/r/n./r/n下列可選項(xiàng),都是硬件的是/r/n〇。/r/nA/r/n、/r/nWindows.ROM/r/n和/r/nCPU/r/nB/r/n、/r/nWPS.RAM/r/n和/r/n顯示器/r/nGROM.RAM/r/n和/r/nPascal/r/nD/r/n、/r/n硬盤.光盤和軟盤/r/n答案:/r/nD/r/n./r/n下列敘述中,哪一條是正確的/r/n()/r/n。/r/nA/r/n、/r/n反病毒軟件通常滯后/r/n于/r/n計(jì)算機(jī)新病毒的出現(xiàn)/r/nB/r/n、/r/n反病毒軟件總是超/r/n前于/r/n病毒的出現(xiàn),/r/n它/r/n可以查.殺任何種類的病毒/r/nC/r/n、/r/n感染過計(jì)算機(jī)病毒的計(jì)算機(jī)具有對該病毒的免疫性/r/nD/r/n、/r/n計(jì)算機(jī)病毒會危害計(jì)算機(jī)用戶的健康/r/n答案：/r/nA/r/n142,/r/n下列關(guān)于局域網(wǎng)的說法中,不正確的是/r/n〇/r/n。/r/nA/r/n、/r/n總線式以太網(wǎng)是最常用的ー種局域網(wǎng)，它采/r/n用/r/n總線結(jié)構(gòu)/r/nB/r/n、/r/n局域網(wǎng)中的每個(gè)結(jié)點(diǎn)都有一個(gè)唯一的地址,稱為/r/nMAC/r/n地址/r/nC/r/n、/r/n通常以太網(wǎng)采用點(diǎn)對點(diǎn)的方式進(jìn)行信息的傳輸/r/nD/r/n、/r/n局域網(wǎng)中使用的集線器分為交換式和共享式/r/n答案:/r/nC/r/n./r/n目前我國和歐洲正在廣泛使用的/r/nGSM/r/n（全球通）手機(jī)屬于〇移動通信/r/nA/r/n、/r/n第/r/n一/r/n代/r/nB/r/n、/r/n第二代/r/nC/r/n、/r/n第三代/r/nD/r/n、/r/n第四代/r/n答案:/r/nB/r/n./r/n數(shù)字電子文本的展現(xiàn)方式有/r/n〇。/r/n①打印輸出②在屏幕上閱讀③文語轉(zhuǎn)換④機(jī)器翻譯/r/nA/r/n、/r/n①②/r/nB/r/n、/r/n①②③/r/nC/r/n、/r/n②③④/r/nD/r/n、/r/n①②④/r/n答案：/r/nA/r/n./r/n以下通信方式中,/r/n（）/r/n都屬于微波遠(yuǎn)距離通信①衛(wèi)星通信②光纖通信/r/n③/r/n地面微波接カ通信/r/nA/r/n、/r/n①②③/r/nB/r/n、/r/n①③/r/nC/r/n、/r/n①②/r/n答案:/r/nB/r/n.微軟/r/n104/r/n增強(qiáng)型鍵盤中的“視窗鍵”/r/n,可用/r/n來/r/n()。/r/nA/r/n、/r/n打開“我的電腦”/r/nB/r/n、/r/n啟動開始菜單/r/nC/r/n、/r/n打/r/n開資源管理器/r/nD/r/n、/r/n打開幫助窗/r/n口/r/n答案:/r/nB/r/n./r/n下面的敘述中錯(cuò)誤的是/r/n()/r/nA/r/n、/r/n現(xiàn)代信息技術(shù)的主要特征是采用電子技術(shù)進(jìn)行信息的收集.傳遞.加工.存儲.顯示與控/r/n制。/r/nB/r/n、/r/n現(xiàn)代集成電路使用的半導(dǎo)體材料主要是硅。/r/nC/r/n、/r/n集成電路的工作速度主要取決于組成邏輯門電路的晶體管的數(shù)量。/r/nD/r/n、/r/n當(dāng)集成電路的基本線寬小到納米級時(shí),將出現(xiàn)ー些新的現(xiàn)象和效應(yīng)。/r/n答案：/r/nC/r/n./r/n為了避免混淆,/r/n十/r/n進(jìn)制數(shù)在書寫時(shí)常在后面加字母/r/n()/r/n。/r/nA/r/n、/r/nH/r/nB/r/n、/r/n0/r/nC/r/n、/r/nD/r/nD/r/n、/r/nB/r/n答案：/r/nC/r/n149,/r/n下列字符編碼標(biāo)準(zhǔn)中,不屬于我國發(fā)布的漢字編碼標(biāo)準(zhǔn)的是/r/n〇/r/n。/r/nA/r/n、/r/nGB2312/r/nB/r/n、/r/nGBK/r/nUCS(Unicode)/r/nGB18030/r/n答案:/r/nC/r/n./r/n我國頒布的第一個(gè)漢字編碼國家標(biāo)準(zhǔn)是/r/n0/r/n。/r/nA/r/n、/r/n漢字內(nèi)碼擴(kuò)展規(guī)范/r/n(GBK)/r/nB/r/n、/r/n漢字編碼國家標(biāo)準(zhǔn)/r/nGB1/r/n8030/r/nC/r/n、/r/n信息交換用漢字編碼字符集〃基本集/r/n(GB231/r/n2)/r/nD/r/n、/r/n通用位編碼字符集/r/n(UCS)/r/n答案:/r/nC/r/n.若/r/n微/r/n機(jī)系統(tǒng)需要熱啟動,應(yīng)同時(shí)按下組合鍵/r/n()。/r/nA/r/nヽ/r/n/r/nCtrl+Alt+BreAk/r/nB/r/n、/r/nCtrl+Esc+De/r/nI/r/nGCtrl+Alt+Del/r/nD/r/n、/r/nCtrl+Shift+Break/r/n答案：/r/nC/r/n./r/n結(jié)構(gòu)化生命周期方法,/r/n()/r/n階段不屬于信息系統(tǒng)軟件生命周期中的內(nèi)容。/r/nA/r/n、/r/n系統(tǒng)規(guī)劃/r/nB/r/n、/r/n系統(tǒng)分析/r/nC/r/n、/r/n系統(tǒng)實(shí)施/r/nD/r/n、/r/n系統(tǒng)升級/r/n答案：/r/nD/r/n./r/n將高級語言程序設(shè)計(jì)語/r/n言/r/n源程序翻譯成計(jì)算機(jī)可執(zhí)行代碼的軟件稱為/r/n0/r/nA/r/n、/r/n匯編程序/r/nB/r/n、/r/n編譯程序/r/nC/r/n、/r/n管理程序/r/nD/r/n、/r/n服務(wù)程序/r/n答案:/r/nB/r/n./r/nRAM/r/n是內(nèi)存的主要組在部分,機(jī)器工作/r/n時(shí)/r/n存有大量的信息。計(jì)算機(jī)一旦斷電,/r/n其/r/n系統(tǒng)信息/r/n()。/r/nA/r/n、/r/n自動保存/r/nB/r/n、/r/n保存一部分/r/nC/r/n、/r/n寫入/r/nROM/r/nD/r/n、/r/n全部丟失不能恢復(fù)/r/n答案:/r/nD/r/n./r/nCPU/r/n的性能主要體現(xiàn)為它的運(yùn)算速度,/r/nCPU/r/n運(yùn)算速度的傳統(tǒng)衡量方法是/r/n〇。/r/nA/r/n、/r/n每秒鐘可執(zhí)行的指令數(shù)目/r/nB/r/n、/r/n每秒鐘可讀寫存儲器的次數(shù)/r/nC/r/n、/r/n每秒鐘內(nèi)運(yùn)算的平均數(shù)據(jù)總位數(shù)/r/nD/r/n、/r/n每秒鐘數(shù)據(jù)傳輸?shù)木嚯x/r/n答案：/r/nA/r/n./r/n目前,除了/r/n|nternetExplorer/r/n網(wǎng)絡(luò)瀏覽器之外,常用的瀏覽器還有/r/n()。/r/nFrontpage/r/nWord97/r/nC\Netscapemun/r/ni/r/ncator/r/nDvKV300/r/n答案:/r/nC/r/n.PC/r/n機(jī)的主板用于存放/r/nBIOS/r/n程序的大都是/r/nA/r/n、/r/n芯片組/r/nB/r/n、/r/n閃存/r/n(FlashROM)/r/nC/r/n、/r/n超級/r/nI/r/n/0/r/n芯片/r/nD/r/n、/r/n雙倍數(shù)據(jù)速率/r/n(DDR)SDRAM/r/n答案:/r/nB/r/n./r/n若在ー個(gè)空曠區(qū)域內(nèi)無法使用任何/r/nGSM/r/n手機(jī)進(jìn)行通信,原因可能是/r/n()。/r/nA/r/n、/r/n該區(qū)域的地理特征使手機(jī)不能正常使用/r/nB/r/n、/r/n該區(qū)域沒有建立基站/r/nC/r/n、/r/n該區(qū)域沒有建立移動電話交換中心/r/nD/r/n、/r/n該區(qū)域被屏蔽/r/n答案：/r/nB/r/n./r/n在下列/r/nWindows/r/n系列操作系統(tǒng)中,/r/n()/r/n是最新產(chǎn)品。/r/nA/r/nヽ/r/n/r/nWindowsXP/r/nB\Windows98/r/nWindowsME/r/nD/r/n、/r/nWindows2000/r/n答案：/r/nA/r/n160.1KB/r/n的內(nèi)存空間中能存儲/r/nGB2312/r/n漢字的個(gè)數(shù)最多為()/r/n〇/r/nA/r/n、/r/n128/r/nB/r/n、/r/n256/r/nC/r/n、/r/n512/r/n1024/r/n答案:/r/nC/r/n.網(wǎng)絡(luò)有/r/nc/s/r/n和對等兩種工作模式。有關(guān)網(wǎng)絡(luò)工作模式敘述錯(cuò)誤的/r/n()()/r/nA/r/n、/r/nWindows/r/n操作系統(tǒng)中的“網(wǎng)上鄰居”是按對等模式工作的/r/nB/r/n、/r/n在/r/nC/S/r/n模式中通常選用ー些性能較高的計(jì)算機(jī)作為服務(wù)器/r/nC/r/n、/r/n“BT”/r/n網(wǎng)絡(luò)下載服務(wù)用對等工作模式,特點(diǎn)“下載請求越多.下載速度越快”/r/nD/r/n、/r/n網(wǎng)絡(luò)的兩種工作模式均要求計(jì)算機(jī)網(wǎng)絡(luò)的拓?fù)浣Y(jié)構(gòu)必須為總線型/r/n答案:/r/nD/r/n./r/n為避免斷電時(shí)內(nèi)存數(shù)據(jù)的丟失.應(yīng)當(dāng)/r/n()。/r/nA/r/n、/r/n在新建文檔時(shí)即保存文檔/r/nB/r/n、/r/n在打開文檔時(shí)即保存文檔/r/nC/r/n、/r/n每隔一段/r/n時(shí)/r/n間做一次存盤操作/r/nD/r/n、/r/n編輯完文檔后保存文檔/r/n答案：/r/nC/r/n./r/n下面關(guān)于幾種有線信道傳輸介質(zhì)性能特點(diǎn)的敘述中,錯(cuò)誤的是/r/n()。/r/nA/r/n、/r/n雙絞線易受外部高頻電磁波的干擾,一般適合于在建筑物內(nèi)部使用/r/nB/r/n、/r/n同軸電纜的抗干擾性比雙絞線差/r/nC/r/n、/r/n同軸電纜傳輸信號的距/r/n離/r/n比雙絞線長/r/nD/r/n、/r/n光纖傳輸信號的安全性比使用電纜好得多/r/n答案:/r/nB/r/n./r/n關(guān)系/r/nR/r/n與關(guān)系/r/nS"/r/n并”相容,是指/r/n()〇/r/nA/r/n、/r/nR/r/n和/r/nS/r/n的元組個(gè)數(shù)相同/r/nB/r/n、/r/nR/r/n和/r/nS/r/n模式結(jié)構(gòu)相同且其對應(yīng)屬性取值同一個(gè)域/r/nC/r/n、/r/nR/r/n和/r/nS/r/n的屬性個(gè)數(shù)相同/r/nD/r/n、/r/nR/r/n和/r/nS/r/n的元組數(shù)相同且屬性個(gè)數(shù)相同/r/n答案:/r/nB/r/n.信息安全需求包括/r/n()。。/r/nA/r/n、/r/n保密性.完整性/r/nB/r/n、/r/n可用性.可控性/r/nC/r/n、/r/n不可否認(rèn)性/r/nD/r/n、/r/n以上皆是/r/n答案：/r/nD/r/n./r/n下列關(guān)于/r/nWindows7/r/n操作系