文档介绍：puterLanguageandProgrammingSectionAProgrammingLanguageIntroductionProgramminglanguages,puterscience,aretheartificiallanguagesusedtowriteasequenceofinstructions(acomputerprogram),suchasEnglish,programminglanguageshaveavocabulary,grammar,,putersbecausetheyareambiguous,,andtherulesfortheirgrammar,spelling,(处理)putersystem・Forinstance,programminglanguagessuchasFORTRAN1andCOBOL2werewrittentosolvecertaingeneraltypesofprogrammingproblems一FORTRANforscientificapplications,,theyarehighlyportable(可移植),,suchasmachinelanguages,putersystem,,PASCALandBASICfallinto(属于)-levellanguagesorhigh--levelprogramminglanguages,ormachinelanguages,--levellanguagesareC,C++6,PASCAL,-levellanguages,,instructionsarewrittenassequencesofIsandOs,calledbits,:(1)putermemory(essMemory,orRAM),(2)asimpleoperationtoperform,suchasaddingthetwonumberstogether,(3)whereinthemainmemorytoputtheresultofthissimpleoperation,and(4),