SRS型示波器的“显示方式开关钮”在“YA+YB”上,此时示波器是()。
第1题:
有如下事件过程:
Sub ABD(x%, y%, z%)
z%=x% + y%
End Sub
Private Sub Command1_Click()
a%=30: b%=40
Call ABD(a%, b%, c%)
Print c%
End Sub
运行上面的程序,单击命令按钮,输出结果为( )。
A.70
B.70.0
C.7.0E+1
D.显示错误信息
第2题:
下面程序: Private Sub Form. _Click () Dim x, y, z As Integer x=5 y=7 z=0 Call P1(x, y, z) Print Str (z) End Sub Sub P1 (ByVal a As Integer, ByVal b As Integer , c As Integer) c= a+b End Sub 运行后的输出结果为______。
A.0
B.12
C.Str(z)
D.显示错误信息
第3题:
( 27 )要想在过程 Proc 调用后返回形参 x 和 Y 的变化结果,下列定义语句中正确的是
A ) Sub Proc ( x as Integer,y as Integer )
B ) Sub Proc ( ByVal x as Integer, y as Integer )
C ) Sub Proc ( x as Integer,Byval y as Integer )
D ) Sub Proc ( Byval x as Integer, Byval y as Integer )
第4题:
下面各被调用函数首部书写正确的是( )
A.void sub(float x;float y);
B.void sub(float x,y)
C.void sub(float x,float y)
D.void sub(float x,float y);
第5题:
A、Public Sub Sum(x ; y)
B、Public Sub Sum(ByVal x, ByVal y)
C、Public Sub Sum(x As Integer,y As Integer)
D、Public Sub Sum(x%, y%)
第6题:
在窗体上画一个名称为Command1的命令按钮,然后编写如下事件过程: Private Sub subl(ByVal x As Integer, ByVal y As Integer, ByVal z As Integer) z=x*x+y*y End Sub Private Sub Command1_Click() Dim a As Integer a=8 Call subl(1, 2,a) Print a End Sub 程序运行后,单击命令按钮,则窗体下显示的内容是______。
A.8
B.2
C.5
D.11
第7题:
要求当鼠标在图片框P1中移动时,立即在图片框中显示鼠标的位置坐标。下面能正确实现上述功能的事件过程是
A.Private Sub P1_MouseMove(Button As Integer,Shift As Integer,x As Single,Y As Single) Print X,Y End Sub
B.Private Sub P1_M0useDown(Button As Integer,Shift As Integer,X As Single,Y As Single) Picture.Print X,Y End Sub
C.Private Sub P1_MouscMove(Button As integer,Shift As Integer,X As Single,Y As Single) P1.Print X.Y End Sub
D.Private Sub Form_MouseMove(Button As Integer,Shift As Integer,x As Single,Y As Single) P1.Print X.Y End Sub
第8题:
有以下程序:int sub(int n) { return(n/10+n%10); }void main(){ int x,y; scanf("%d",&x); y=sub(sub(sub(x))); printf("%d\n",y);}若运行时输入:4321<回车>,程序的输出结果是。
第9题:
A、同时显示YA和YB两个信号
B、显示YA和YB相加后的波形
C、显示YA
D、显示YB
第10题:
有以下程序:
int sub(int n) { return(n/10+n%10); }
main()
{ int x, y;
scanf("% d", &x);
y=sub(sub(sub(x)));
printf("% d\n", y);
}
若运行时输入:1234<回车>,程序的输出结果是【 】。