black

单项选择题

(71) analysis emphasizes the drawing of pictorial system models to document and validate both existing and/or proposed systems. Ultimately, the system models become the (72) for designing and constructing an improved system. (73) is such a technique. The emphasis in this technique is process-centered. Systems analysts draw a series of process models called (74) . (75) is another such technique that integrates data and process concerns into constructs called objects.
A．Structured analysis
B．Information Engineering
C．Discovery Prototyping
D．bject-Oriented analysis
相关考题

单项选择题

单项选择题 程序设计语言一般都提供多种循环语句，例如实现先判断循环条件再执行循环体的 while语句和先执行循环体再判断循环条件的do-while语句。关于这两种循环语句，在不改变循环体的条件下， (21) 是正确的。

单项选择题 (31) 不是线性表的链式存储结构。

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