Which phase of the software development requires the most development time?A．the design phaseB．the testing phaseC．the maintenance phaseD．the development phase
点击查看答案
Consumption of the total life-cycle effort in software maintenance is(71)that in software development．A．less thanB．larger thanC．equal or less thanD．equal or larger than
Maintenance activities include(74)。①making enhancements to software products②developing a new software product③correcting problems④adapting products to new environmentsA．①②B．①③④C．②③④D．①②③④
Software( )activities consume a large portion of the total life-cycle budget．A．repairB．maintenanceC．changeD．update
Enhancing a software product may consume(23)percent of the total life-cycle effort.A．80B．30C．50D．42
●Maintenance activities do not include (74).(74)A. making enhancements to software productsB. developing a new software productC. correcting problemsD. adapting products to new environments
Software document is an important part of software and a basis of software development phase. It also influnces software's(72).A．ExpansibilityB．ReusabilityC．PortabilityD．Maintenance
