27、【单项选择题】☆收藏本题A requirement is simply a statement of what the system must do or what characteristics it needs to have. Requirements written from the perspective of user and focus on user needs are called __(71)__. Requirements written from the developer's perspective and describe how the system will be implemented are called __(72)__. Requirements evolve from detailed statemens of business capabilities that a system should have to detailed statements of the technical way in whick the capabilities will be implemented in the new system. Requirements can be either functional or nofunctional in nature. For example, during the analysis phase of travel vehicles sales system, the system that must have the ability to search for available inventory is __(73)__. The requirement that the system should be able to work on any Web browser belongs to __(74)__. That customer personal information is protected in compliance with the Data Protection Act is a requirement of __(75)__.（73）应选？A.A.functional requirementsB.A.technical requirementsC.an operational requirementsD.A.service requirements
27、【单项选择题】
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A requirement is simply a statement of what the system must do or what characteristics it needs to have. Requirements written from the perspective of user and focus on user needs are called __(71)__. Requirements written from the developer's perspective and describe how the system will be implemented are called __(72)__. Requirements evolve from detailed statemens of business capabilities that a system should have to detailed statements of the technical way in whick the capabilities will be implemented in the new system. Requirements can be either functional or nofunctional in nature. For example, during the analysis phase of travel vehicles sales system, the system that must have the ability to search for available inventory is __(73)__. The requirement that the system should be able to work on any Web browser belongs to __(74)__. That customer personal information is protected in compliance with the Data Protection Act is a requirement of __(75)__.
（73）应选？
A.A.functional requirements
B.A.technical requirements
C.an operational requirements
D.A.service requirements
B.A.technical requirements
C.an operational requirements
D.A.service requirements
参考解析
解析：需求仅仅是系统必须做什么或者需要具备哪些特性的陈述。从用户的角度编写的需求和关注用户需求的需求称为（71）。从开发人员的角度编写的需求描述系统将如何实现被称为（72）。要求从具体的业务能力状态演化而来，系统应该具备详细的技术方式陈述，以便在新系统中实现能力。要求可以是功能性的，也可以是非功能性的。例如，在旅行车销售系统的分析阶段，必须具备搜索可用库存能力的系统是（73）。系统应能够在任何Web浏览器上工作的要求属于（74）。客户的个人信息受到“数据保护法”的保护是（75）的要求。
(73) A.一种功能需求 B.一种技术需求
C.一种操作需求 D.一种服务需求
(73) A.一种功能需求 B.一种技术需求
C.一种操作需求 D.一种服务需求
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