autolisp 英文资料

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1、AutoLISPtoVisualLISP:DesignSolutionsforAutoCADInstructor’sGuideChapterOneDefinitionsSyntax-Thewaycommandsarearrangedinsideacomputerprogram.SourceCode-IsanASCIItextfilecontainingaformalprogramminglanguage.Thesourcecodefilemustbecompiled,interpretedorassembledbeforeacomp

2、utercanuseit.Flowchart-incorporatestheuseofgraphicsymbolstodescribeasequenceofoperationsorevents.Theyareusedtodescribeeverythingfromtheprocessinvolvedinthetreatingofwastewatertothesequenceofoperationsforamicroprocessor.Pseudo-Code-Amorenaturalwayofpreparingthesourcecod

3、eforacomputerprogramiswithpseudo-code.Inthismethod,standardEnglishtermsareusedtodescribewhattheprogramisdoing.Thedescriptionsarearrangedinthelogicalorderthattheyappear.GUI-AGraphicalUserInterfaceallowstheusertointeractwithacomputerbyselectingiconsandpicturesthatreprese

4、ntprograms,commands,datafiles,andevenhardware.ProgrammingLanguage-Theactualcommandsusedtoconstructacomputerprogram.MachineLanguage–Aprogramthatiscodedsothatacomputercandirectlyusetheinstructioncontainwithintheprogramwithoutanyfurthertranslation.Hardware-isdefinedasthep

5、hysicalattributesofacomputer,forexample,themonitor,keyboard,centralprocessingunit.Software-isdefinedastheprogramsorelectronicinstructionsthatarenecessarytooperateacomputer.Binary-Anumbersystemthatconsistoftwonumbersoneandzero.Itisusedextensivelywithcomputersbecauseofit

6、seaseofimplementationusingdigitalelectronics.AnswerstoReviewQuestions2.Thisprocessallowstheprogrammertogatherthenecessaryinformationusedtoconstructtheapplication.Italsoallowstheprogramtostartlayingouttheactualprogrambeforethesourcecodeiscreated.Thusallowingtheprogramme

7、rtoensurethequalityandaccuracyaprogram.3.StatetheproblemListunknownvariablesListwhatisgivenCreatediagramsListallformulasListassumptionsPerformallnecessarycalculationsCheckanswer4.Flowchartsusegraphicsymbolstorepresentasequenceoroperationinacomputerprogram,whereaspseudo

8、codeusesstandardEnglishtermstodescribewhattheprogramisdoing.FlowChartPsuedo-CodeStartProgramPromptuserforInformationP