关闭一台运行Windows98的计算机之前应先( )。
A.关闭所有已打开的程序
B.关闭Windows98
C.断开服务器连接
D.关闭主机电源
参考答案:A
Which of the following statements is most accurate An intangible asset with a finite useful life is:()
A. amortized.
B. tested for impairment at least annually.
C. amortized and tested for impairment at least annually.
对企业制定的政策,在系统需求定义中,属于下列哪种内容
A.约束
B.控制/审计/保密
C.数据元素
D.性能/可靠性