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แบบทดสอบความรู้ Visual Basic ในชุด 30 ข้อ ปรับปรุง : 2553-11-25 (ปรับการแสดงผล) 1. 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 2. 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 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 ListBox [vb028] box lbx lst lis ผิดทุกตัวเลือก 5. 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 6. Which Property should be set for every control [vb048] Caption Text Interval Name ผิดทุกตัวเลือก 7. msg = "Love"&"Thailand" [vb009] Produces a syntax error Assigns LoveThailand to msg Assigns Love&Thailand to msg Assigns Love Thailand to msg ผิดทุกตัวเลือก 8. 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 9. Three-letter mnemonic for a Timer [vb029] tim tme timer tmr ผิดทุกตัวเลือก 10. 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 11. 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 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 function is used to identify the first element in an array [vb020] First Begin LBound Start ผิดทุกตัวเลือก 14. Three-letter mnemonic for a Form [vb030] frm fm f fr ผิดทุกตัวเลือก 15. Declares a variable of type Integer [vb040] int num Integer num Dim num As Integer Dim Integer ผิดทุกตัวเลือก 16. 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 17. Right("Love Thailand",3) [vb011] Returns "Lov" Returns "Tha" Returns "and" Returns "LTd" ผิดทุกตัวเลือก 18. What is an FSO [vb021] Full System Output Fat Sound Object File System Object Fullsize Slider Object ผิดทุกตัวเลือก 19. Three-letter mnemonic for a Label [vb031] lb ll lbl lab ผิดทุกตัวเลือก 20. Defines the graphical height of a graphics object [vb041] GraphHeight GraphicalHeight Height ScaleHeight ผิดทุกตัวเลือก 21. 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 22. The SelStart Property of a TextBox is used to [vb012] Identify the start of the Text There is no such Property Identify the start of highlighted text Identify the color ผิดทุกตัวเลือก 23. What is a VB [vb022] Visual Basic Virtual Basic Visual Begin Virtual Begin ผิดทุกตัวเลือก 24. 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 25. 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 26. 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 27. The TypeOf function is used to [vb013] Identify the data type of a variable Identify the type of form Identify the current font Identify the type of control ผิดทุกตัวเลือก 28. Unload me [vb023] Close control Close form Close textbox Close Sourcecode ผิดทุกตัวเลือก 29. What keyword is placed before a parameter to a function, to ensure it is read-only [vb033] ByValue ByReference ByVal ByRef ผิดทุกตัวเลือก 30. Properties cannot be set at run-time [vb043] Height Width Name Top ผิดทุกตัวเลือก