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แบบทดสอบความรู้ Visual Basic ในชุด 30 ข้อ ปรับปรุง : 2553-11-25 (ปรับการแสดงผล) 1. What function is used to identify the first element in an array [vb020] First Begin LBound Start ผิดทุกตัวเลือก 2. Three-letter mnemonic for a ListBox [vb028] box lbx lst lis ผิดทุกตัวเลือก 3. Which control allows you to create a TCP/IP session [vb036] Internet Transfer Control Winsock WebBrowser ODBC ผิดทุกตัวเลือก 4. Specifies an array with 4 elements [vb044] Dim num() As Integer Dim num(5) As Integer Dim num(4) As Integer Dim num(3) As Integer ผิดทุกตัวเลือก 5. How would you make a form Transparent [vb003] Set the BackStyle Property of the Form to Transparent Set the WindowMode of the Form to Transparent Use API calls Use ODBC ผิดทุกตัวเลือก 6. Right("Love Thailand",3) [vb011] Returns "Lov" Returns "Tha" Returns "and" Returns "LTd" ผิดทุกตัวเลือก 7. What does the Step keyword used with the For/Next Loop do [vb019] Allows the loop to be missed if the condition is True Increments values according to the Step value Syntax error The Step keyword is illegal with counted loops ผิดทุกตัวเลือก 8. Three-letter mnemonic for a ComboBox [vb027] cb cbo cbb cbx ผิดทุกตัวเลือก 9. When does recursion occur [vb035] When a function calls itself When no code is associated with an Event At design-time When a Property is assigned an invalid value ผิดทุกตัวเลือก 10. Properties cannot be set at run-time [vb043] Height Width Name Top ผิดทุกตัวเลือก 11. How does a function get a return value [vb002] By assigning an expression to the function name By assigning an expression to the Return keyword By assigning an expression to the Function keyword Functions cannot return values ผิดทุกตัวเลือก 12. msg = Replace("Please confirm what you can do", "do", "confirm") [vb010] msg will contain, "Please do what you can confirm" msg will contain, "Please confirm what you can confirm" msg will contain, "Please do what you can do confirm" msg will contain, "Please do what you can do" ผิดทุกตัวเลือก 13. What does CSng do [vb018] Sing a song Change the sign of a number Count spaces in a string Convert a data type to Single ผิดทุกตัวเลือก 14. Three-letter mnemonic for a CommandButton [vb026] cmd com command cnd ผิดทุกตัวเลือก 15. What will Hex(100) return [vb034] 75 100 64 128 ผิดทุกตัวเลือก 16. The correct syntax to count backwards [vb042] For counter = 10 Down To 1 For counter = 10 To 1 Step -1 For counter = 10 To 1 Step Down For counter = 10 To 1 ผิดทุกตัวเลือก 17. control.ZOrder 0 [vb001] Places the control at the top of the Z Order Places the control at the bottom of the Z Order Sends the control to the back of the other controls Hides the control ผิดทุกตัวเลือก 18. msg = "Love"&"Thailand" [vb009] Produces a syntax error Assigns LoveThailand to msg Assigns Love&Thailand to msg Assigns Love Thailand to msg ผิดทุกตัวเลือก 19. What does a pre-condition loop do [vb017] Perform the test at the start of the loop Perform the test at the end of the loop Loop a predetermined number of times Count backwards ผิดทุกตัวเลือก 20. What is the result of setting the DragMode for a control to Automatic [vb025] The MouseDown, MouseMove and MouseUp Event are disabled The MouseDown, MouseUp and Click Event are disabled The GotFocus Event is disabled The control is able to move without any user intervention ผิดทุกตัวเลือก 21. What keyword is placed before a parameter to a function, to ensure it is read-only [vb033] ByValue ByReference ByVal ByRef ผิดทุกตัวเลือก 22. Defines the graphical height of a graphics object [vb041] GraphHeight GraphicalHeight Height ScaleHeight ผิดทุกตัวเลือก 23. Why are three-letter mnemonics used when naming controls [vb049] To confuse the programmer To identify the type of control To make the program run faster To reduce the amount of memory required for the program ผิดทุกตัวเลือก 24. Me.Line (0, 0) - (Me.ScaleWidth, Me.ScaleHeight) [vb008] Draws a diagonal line from the top left to the bottom right of the current form Draws a diagonal line from the top right to the bottom left of the current form Draws a horizontal line Draws a vertical line ผิดทุกตัวเลือก 25. What does a post-condition loop do [vb016] Perform the test at the start of the loop Perform the test at the end of the loop Loop a predetermined number of times count backwards ผิดทุกตัวเลือก 26. What is the name of the system variable that keeps track of the Y position of a graphical object [vb024] Y ThisY CurrentY YValue ผิดทุกตัวเลือก 27. What keyword is placed before a parameter to a function, that means it may be written to in the function [vb032] ByValue ByReference ByVal ByRef ผิดทุกตัวเลือก 28. Declares a variable of type Integer [vb040] int num Integer num Dim num As Integer Dim Integer ผิดทุกตัวเลือก 29. Which Property should be set for every control [vb048] Caption Text Interval Name ผิดทุกตัวเลือก 30. Me.Circle (1000, 2000), 300 [vb007] The X position for the center of the circle is 1000 The X position for the left of the circle is 1000 The X position for the center of the circle is 2000 The X position for the left of the circle is 2000 ผิดทุกตัวเลือก