【单选题】在窗体上画一个命令按钮和两个文本框,其名称分别为Command1、Text1和Text2,在属性窗V1中把窗体的KeyPreview属性设置为True,然后编写如下程序: Dim S1 As String,S2 As String Private Sub Form_Load() Text1.Text=”” Text2.Text=”” TeXt1.Enabled=False Text2.Enable...
【简答题】下面程序是参数可定制带计数使能异步复位计数器的 VHDL 描述,试补充完整。 -- N-bit Up Counter with Load, Count Enable, and -- AsynchronousReset library ieee; use IEEE.std_logic_11.all; use IEEE.std_logic_unsigned.all; use IEEE.std_lo...
【简答题】Which of the following is NOT a reason for Britain' s aggressiveness in thepublic-health campaign? [ A] The government is frustrated incuring smoking-related diseases. [ B ] The government is keen one...