2. 计算机
  3. Unified Modeling Language(CML)is a widely used method ofvisualizing and documenting all information system．The UML Can be used t

Unified Modeling Language(CML)is a widely used method ofvisualizing and documenting all information system．The UML Can be used t

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问题 Unified Modeling Language(CML)is a widely used method ofvisualizing and documenting all information system．The UML Can be used to develop  ____①____，in which an object represents a  person，place，evenL or transaction that is significant to the information system．Systems analysts  defme an object’s attributes during the ____②____．An object also has ____③____，which are tasks or  functions that the object performs when it receives a message，or command，to do so．A(n) ____④____ is  a group of similar objects．If objects are similar to nouns，attributes are similar to adjectives that  describe the characteristics ofan object．Objects Can have a specific attribute called a(n) ____⑤____，which ofan object is an adjective that describes the object’s current status．All objects within a class  share common attributes and methods，SO a class is like a blueprint，or template for all the objects  with the class．
①
选项 A、database models
B、object models
C、event models
D、static system models
答案B
解析
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