27、【单项选择题】 ☆ 收藏本题 Arequirementissimplyastatementofwhatthesystemmustdoorwhatcharacteristicsitneedstohave.Requirementswrittenfromtheperspectiveofuserandfocusonuserneedsarecalled__(71)__.Requirementswrittenfromthedeveloper'sperspectiveanddescribehowthesystemwillbeimplementedarecalled__(72)__.Requirementsevolvefromdetailedstatemensofbusinesscapabilitiesthatasystemshouldhavetodetailedstatementsofthetechnicalwayinwhickthecapabilitieswillbeimplementedinthenewsystem.Requirementscanbeeitherfunctionalornofunctionalinnature.Forexample,duringtheanalysisphaseoftravelvehiclessalessystem,thesystemthatmusthavetheabilitytosearchforavailableinventoryis__(73)__.TherequirementthatthesystemshouldbeabletoworkonanyWebbrowserbelongsto__(74)__.ThatcustomerpersonalinformationisprotectedincompliancewiththeDataProtectionActisarequirementof__(75)__. (73)应选？ A. A.functionalrequirements B.
A.technical requirements B.an operational requirements D.service requirements正确答案A
