电大计算机专业英语期末考试.docx

文档编制序号：[KK8UY-LL9IO69-TTO6M3-MTOL89-FTT688] 文档编制序号：[KK8UY-LL9IO69-TTO6M3-MTOL89-FTT688] 电大计算机专业英语期末考试 2241计算机专业英语02 试卷总分：100答题时间：60分钟 客观题 选择填空题（共3题，共60分） .白盒测试B.管理信息系统C.菜单栏D.机器语言E.硬盘F.电子商务G.光标H.中央处理器I.软件工程J.信用卡 1．centralprocessingunit（CPU） 2．whiteboxtesting 3．harddisk 4．managementinformationsystem 5．electroniccommerce 6．cursor 7．softwareengineering 8．creditcard 9．menubar 10．machinelanguage 1. A．图像B．应用软件C．机器语言D.软件测试E．结构化程序设计F．内存G．功能测试H．关系数据库I.黑客J．防火墙 9.hacker ．TCPB．SDIC．SQLD．LANE.B2BF．USBG．IDEH．CADI．EDI 1．电子数据交换 2．传输控制协议 3．计算机辅助设计 4．单文档界面 5．通用串行总线 6．面向对象编程 7．集成开发环境 8．结构化查询语言 9．局域网 10．企业之间的电子商务交易方式 阅读理解（共2题，共40分） 1. Thecentralprocessingunit(CPU),,,thephysicalsizeoftheCPUhasoftenbecomesmallerandsmaller,,thesechangeshaveresultedinmicrocomputersthataresmallenoughtofitonyourdeskoryourlap. TheCPUcomprisesthecontrolunitandthearithmetic/logicunit(ALU). logicunit,aswellasthecontrolsignalsbetweentheCPUandinput/outputdevices. TheALUperformsallthearithmeticandlogical(comparison)functions—thatis,itadds,subtracts,multiplies,divides,,whicharebasically“lessthan”,“greaterthan”,and“equalto”,canbecombinedintoseveralcommonexpressions,suchas“greaterthanorequalto”.Theobjectiveofmostinstructionsthatusecomparisonsistodeterminewhichinstructionshouldbeexecutednext. (1).Withthedevelopmentofcomputer,thephysicalsizeoftheCPUhasoftenbecomebiggerandbigger.BＦ (2).ThemovementofelectronicsignalsbetweenmainmemoryandtheALUaswellasthecontrolsignalbetweentheCPUandinput/Ｔ (3).TheCPUcomprisesthecontrolunitandmemory.BＦ (4).Thecontrolunitperformsallthearithmeticandlogical(comparison)Ｆ (5).Thecentralprocessingunit(CPU) 1. Inordertosolveacomputationalproblem,itssolutionmustbespecifiedintermsofasequenceofcomputationalsteps,,Ingeneral,thisprocesswillhelpusresolveaproblem,. ,,andlinesofprogramtextarereferredtoaslinesofcode,especiallyinthecaseofmachine-languageprograms.Thetermcoderisusedtodescribeapersonengagedexclusivelyinimplementingprogramspec