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免费智能真题库 > 历年试卷 > 软件设计师 > 2015年下半年 软件设计师 上午试卷 综合知识
  第72题      
  章/节:   计算机专业英语       
  错误率: 56%      难度系数:      

 
In a world where it seems we already have too much to do,and too many things to think about, it seems the last thing we need is something new that we have to learn.
But use cases do solve a problem with requirements:with (71) declarative requirements it's hard to describe steps and sequences of events.
Use cases,stated simply, allow description of sequences of events that, taken together, lead to a system doing something useful.As simple as this sounds,this is important. When confronted only with a pile of requiements, it's often(72)to make sense of what the authors of the requirements really wanted the system to do.In the preceding example, use cases reduce the ambiguity of the requirements by specifying exactly when and under what conditions certain behavior occurs;as such, the sequence of the behaviors can be regarded as a requirement. Use cases are particularly well suited to capture approaches. Although this may sound simple, the fact is that (73) requirement capture approaches, with their emphasis on declarative requirements and "shall" statements,completely fail to capture fail to capture the (74) of the system's behavior. Use cases are a simple yet powerful way to express the behavior of the system in way that all stakeholders can easily understand.
But,like anything, use cases come with their own problems, and as useful as they are,they can be (75). The result is something that is as bad, if not worse, that the original problem.Therein it's important to utilize use cases effectively without creating a greater problem than the one you started with.
 
 
  A.  impossible
 
  B.  possible
 
  C.  sensible
 
  D.  practical
 
 
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  第71题    2013年上半年  
   54%
So it is today. Schedule disaster,functional misfits,and systembugs all arise because the left hand doesn’t know w..
  第75题    2009年下半年  
   69%
Why is (71) fun? What delights may its practitioner expect as his reward? First is the sheer joy of making things. As th..
  第74题    2013年上半年  
   45%
So it is today. Schedule disaster,functional misfits,and systembugs all arise because the left hand doesn’t know w..
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