资源描述：
《计基课本课后习题》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、Chapter1ComputersandDigitalBasics1A“AllThingsDigital”1.Dataprocessingwasthecomputingtechnologybehindthefirstphaseofthedigitalrevolution.2.Localsoftwarereferstoanysoftwarethatisinstalledonacomputer’sharddrive.3.Acomputernetworkisagroupofcomputerslinkedtogethertosharedataandresources.4.Theprocessofco
2、nvertingtext,numbers,sound,photos,orvideointodatathatcanbeprocessedbyacomputeriscalleddigitization.5.Cloudcomputingprovidesaccesstoinformation,applications,communications,andstorageovertheInternet.1B“DigitalDevices”–computerbasics1.Acomputerisadigitaldevicethatprocessesdataaccordingtoaseriesofstore
3、dinstructionscalledaprogramorsoftware.1.Computerdataistemporarilystoredinmemory,butisusuallytransferredtostoragewhereitcanbeleftonamorepermanentbasis.2.Personalcomputersareavailableindesktopandportablemodels.3.Adigitaldevice,suchasacomputer,iscalleda(n)client,whenitrequestsdatafromaserver.4.A(n)mic
4、rocontrollerisaspecial-purposemicroprocessorthatisbuiltintothemachineitcontrols.5.Acomputeracceptsinput,processesdata,storesdata,andproducesoutput,accordingtoaseriesofinstructions.1C“DigitalDataRepresentation”1.Datarepresentationreferstotheformatinwhichdataisstored,processed,andtransferred.2.Digita
5、ldevicesoftenusethebinarynumbersystemtorepresentnumericdata.3.MostcomputersuseUnicodeorExtendedASCIIcodetorepresentcharacterdata.(Hint:Usetheacronym.)4.KBistheabbreviationforKilobyte.1D“DigitalProcessing”1.A(n)compilerconvertsallofthesourcecodeinstructionsintoanewfilecontainingobjectcode.2.Amicropr
6、ocessorishard-wiredtoperformasetofactivitiescalleda(n)instructionset.1.TheALUinyourcomputer’smicroprocessorholdsdatainregister.2.Themicroprocessor’scontrolunitcontainsa(n)instructionpointer<指令指针>thatholdstheaddressoftheinstructionbeingexecuted.3.Thehuman-readableversionofaprogram,createdinahigh-lev
7、ellanguagebyaprogrammer,iscalledsourcecode.4.TheALUinyourcomputer’smicroprocessorperformsarithmeticandlogicaloperations.5.Themicroprocessor’scontrolunitfetcheseachinstruction.1E“PasswordSecurity”1.Anauthent
