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แบบทดสอบความรู้ Visual Basic ในชุด 30 ข้อ ปรับปรุง : 2553-11-25 (ปรับการแสดงผล) 1. 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 2. 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 3. 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 4. Three-letter mnemonic for a CommandButton [vb026] cmd com command cnd ผิดทุกตัวเลือก 5. What will Hex(100) return [vb034] 75 100 64 128 ผิดทุกตัวเลือก 6. 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 7. 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 8. msg = "Love"&"Thailand" [vb009] Produces a syntax error Assigns LoveThailand to msg Assigns Love&Thailand to msg Assigns Love Thailand to msg ผิดทุกตัวเลือก 9. 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 10. 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 11. What keyword is placed before a parameter to a function, to ensure it is read-only [vb033] ByValue ByReference ByVal ByRef ผิดทุกตัวเลือก 12. Defines the graphical height of a graphics object [vb041] GraphHeight GraphicalHeight Height ScaleHeight ผิดทุกตัวเลือก 13. 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 14. 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 15. 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 16. 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 17. 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 18. Declares a variable of type Integer [vb040] int num Integer num Dim num As Integer Dim Integer ผิดทุกตัวเลือก 19. Which Property should be set for every control [vb048] Caption Text Interval Name ผิดทุกตัวเลือก 20. 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 21. UCase("Love Education") [vb015] Returns "love education" Returns "Love Education" Returns "LOVE EDUCATION" Returns "LOVE education" ผิดทุกตัวเลือก 22. Unload me [vb023] Close control Close form Close textbox Close Sourcecode ผิดทุกตัวเลือก 23. Three-letter mnemonic for a Label [vb031] lb ll lbl lab ผิดทุกตัวเลือก 24. Constant declarations is correct [vb039] Dim Constant num As Integer Dim Constant num As Integer = 64 Dim num As Constant Integer = 64 Const num As Integer = 64 ผิดทุกตัวเลือก 25. SQL Statement for delete all records from a table [vb047] DELETE FROM saleman where s_enrolNumber=ALL DELETE FROM saleman where s_enrolNumber=s_enrolNumber DELETE FROM saleman DELETE ALL FROM saleman ผิดทุกตัวเลือก 26. LCase("Love Education") [vb006] Returns "love education" Returns "Love Education" Returns "LOVE EDUCATION" Returns "LOVE education" ผิดทุกตัวเลือก 27. The User Defined Format expression "mm" is used to [vb014] Format the minutes of a Date Expression with a leading zero Format the month of a Date Expression with a leading zero Convert strings to lowercase Convert strings to uppercase ผิดทุกตัวเลือก 28. What is a VB [vb022] Visual Basic Virtual Basic Visual Begin Virtual Begin ผิดทุกตัวเลือก 29. Three-letter mnemonic for a Form [vb030] frm fm f fr ผิดทุกตัวเลือก 30. Best describes a Counted loop [vb038] A loop that performs the test at the start A loop that performs the test at the end A loop that iterates a predetermined number of times A loop that counts backwards ผิดทุกตัวเลือก