autolisp 英文资料

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

2、eacomputercanuseit.Flowchart-incorporatestheuseofgraphicsymbolstodescribeasequenceofoperationsorevents.Theyareusedtodescribeeverythingfromtheprocessinvolvedinthetreatingofwastewatertothesequenceofoperationsforamicroprocessor.Pseudo-Code-Amorenaturalwayofpreparing

3、thesourcecodeforacomputerprogramiswithpseudo-code.Inthismethod,standardEnglishtermsareusedtodescribewhattheprogramisdoing.Thedescriptionsarearrangedinthelogicalorderthattheyappear.GUI-AGraphicalUserInterfaceallowstheusertointeractwithacomputerbyselectingiconsandp

4、icturesthatrepresentprograms,commands,datafiles,andevenhardware.ProgrammingLanguage-Theactualcommandsusedtoconstructacomputerprogram.MachineLanguage–Aprogramthatiscodedsothatacomputercandirectlyusetheinstructioncontainwithintheprogramwithoutanyfurthertranslation.

5、Hardware-isdefinedasthephysicalattributesofacomputer,forexample,themonitor,keyboard,centralprocessingunit.Software-isdefinedastheprogramsorelectronicinstructionsthatarenecessarytooperateacomputer.Binary-Anumbersystemthatconsistoftwonumbersoneandzero.Itisusedexten

6、sivelywithcomputersbecauseofitseaseofimplementationusingdigitalelectronics.AnswerstoReviewQuestions2.Thisprocessallowstheprogrammertogatherthenecessaryinformationusedtoconstructtheapplication.Italsoallowstheprogramtostartlayingouttheactualprogrambeforethesourceco

7、deiscreated.Thusallowingtheprogrammertoensurethequalityandaccuracyaprogram.3.StatetheproblemListunknownvariablesListwhatisgivenCreatediagramsListallformulasListassumptionsPerformallnecessarycalculationsCheckanswer4.Flowchartsusegraphicsymbolstorepresentasequenceo

8、roperationinacomputerprogram,whereaspseudocodeusesstandardEnglishtermstodescribewhattheprogramisdoing.FlowChartPsuedo-CodeStartProgramPromptuserforInformationP