在软件的项目管理中可以使用各种图形工具来辅助决策,下面对甘特图的描述不正确的是( )。
- A.甘特图表现各个活动的顺序和它们之间的因果关系
- B.甘特图表现哪些活动可以并行进行
- C.甘特图表现了各个活动的起始时间
- D.甘特图表现了各个活动完成的进度
正确答案及解析
正确答案
解析
甘特图,也被称为条状图(Bar Chart),是在1917年由亨利·甘特开发的。甘特图的内在思想十分简单,基本上是线条图,横轴表示时间,纵轴表示活动(项目),线条表示在整个期间上计划和实际的活动完成情况。它直观地表明任务计划在什么时候进行,及实际进展与计划要求的对比。
管理者由此可以极为便利地弄清一项任务(项目)还剩下哪些工作要做,并可评估工作是提前还是滞后,抑或正常进行。可以说甘特图是一种理想的控制工具。
综上所述,甘特图并不能表现各个活动的顺序和它们之间的因果关系。
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