● 系统设计阶段的任务是 (66) 。A. 根据系统规划书中的功能要求,具体设计实现功能的详细技术方案
● 系统设计阶段的任务是 (66) 。
A. 根据系统规划书中的功能要求,具体设计实现功能的详细技术方案
B. 根据系统说明书中规定的功能要求,具体设计相关程序实现的算法
C. 根据系统需求分析中提出的功能要求,具体设计实现数据结构方案
D. 根据系统说明书中规定的功能要求,具体设计实现逻辑模型的技术方案
● 系统设计阶段的任务是 (66) 。
A. 根据系统规划书中的功能要求,具体设计实现功能的详细技术方案
B. 根据系统说明书中规定的功能要求,具体设计相关程序实现的算法
C. 根据系统需求分析中提出的功能要求,具体设计实现数据结构方案
D. 根据系统说明书中规定的功能要求,具体设计实现逻辑模型的技术方案
A. 平台线性化,各部分耦合程度高
B. 平台模块化,各部分耦合程度低
C. 平台线性化,各部分耦合程度低
D. 平台模块化,各部分耦合程度高
A. ①②③④ B. ①②④③ C. ②①③④ D. ②①④③
● Why is (71) fun? What delights may its practitioner expect as his reward? First is the sheer joy of making things. As the child delights in his mud pie, so the adult enjoys building things, especially things of his own design. Second is the pleasure of making things that are useful to other people. Third is the fascination of fashioning complex puzzle-like objects of interlocking moving parts and watching them work in subtle cycles, playing out the consequences of principles built in from the beginning. Fourth is the joy of always learning, which springs from the (72) nature of the task. In one way or another the problem is ever new, and its solver learns something: sometimes (73) , sometimes theoretical, and sometimes
both. Finally, there is the delight of working in such a tractable medium. The (74) , like the poet, works only slightly removed from pure thought-stuff. Few media of creation are so flexible, so easy to polish and rework, so readily capable of realizing grand conceptual structures.
Yet the program (75) , unlike the poet's words, is real in the sense that it moves and works, producing visible outputs separate from the construct itself. It prints results, draws pictures, produces sounds, moves arms. Programming then is fun because it gratifies creative longings built deep within us and delights sensibilities we have in common with all men.
(71) A.programming B.composing C.working D.writing (72) A.repeating B.basic C.non-repeating D.advance (73) A.semantic B.practical C.lexical D.syntactical (74) A.poet B.architect C.doctor D.programmer (75) A.construct B.code C.size D.scale
该邮件客户端系统的主要关系模式如下,请填补(a)~(c)的空缺部分。
用户 (用户名,用户密码)
地址簿((a) ,联系人编号,姓名,电话,单位地址,邮件地址1,邮件地址2,邮件地址3)
邮件帐号(邮件地址,邮件密码,用户名)
邮件((b) ,收件人地址,邮件状态,邮件主题,邮件内容,发送时间,接收时间)
附件((c) ,附件号,附件文件名,附件大小)
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