Theobjectiveof(71)istodeterminewhatpartsoftheapplicationsoftwarewillbeassignedtowhathardware.Themajorsoftwarecomponentsofthesystembeingdevelopedhavetobeidentifiedandthenallocatedtothevarioushardwarecomponentsonwhichthesystemwilloperate.Allsoftwaresystemscanbedividedintofourbasicfunctions.Thefirstis(请作答此空).Mostinformationsystemsrequiredatatobestoredandretrieved,whetherasmallfile,suchasamemoproducedbyawordprocessor,oralargedatabase,suchasonethatstoresanorganization'saccountingrecords.Thesecondfunctionisthe(73),theprocessingrequiredtoaccessdata,whichoftenmeansdatabasequeriesinStructuredQueryLanguage.Thethirdfunctionisthe(74),whichisthelogicdocumentedintheDFDs,usecases,andfunctionalrequirements.Thefourthfunctionisthepresentationlogic,thedisplayofinformationtotheuserandtheacceptanceoftheuser'scommands.Thethreeprimaryhardwarecomponentsofasystemare(75).
A.data access components B.database management system C.data storage D.data entities正确答案C
