【简答题】A. 数据管理是指如何对数据分类、组织、编码、存储、检索和维护等,是数据处理的中心问题 B. 人工管理阶段的电脑主要用于科学计算。用户完全负责数据管理工作;数据与程序没有独立性 C. 20世纪50年代后期到60年代中期,电脑的应用范围逐渐扩大,电脑不仅用于科学计算,而且还大量用于管理。 D. 随着电脑管理应用的广泛增加,以文件系统作为用户数据管理手段已经不能满足应用的需求,数据库技术和统一管理数据...
【判断题】Good employees take responsibility. When they are given a task they do a good job and see the task through to completion. Good employees are responsible for their own actions and the work they produce...
【简答题】Like what you do or ______ Lower achievers usually don't like to work or don't like the work they are doing. Those who don't want to work will never ______ . For those who work, it's critically import...