1000+ Visual Basic .NET MCQ for GATE [Solved]

1. In OLEDB database can be accessed without using DataSet
A. True
B. False
C.
D.
Answer : A

2. If a Class in inherited, its constructor is inherited automatically and it is fired automatically
A. True
B. False
C.
D.
Answer : A

3. Application.StartupPath actually points to
A. //ProjectName
B. //ProjectName/Bin
C. //ProjectName/Debug
D. //ProjectName/Bin/ProjectName.exe
Answer : B

4. The default Tab of a Tab Control is
A. The first tab
B. The last tab added
C. The last tab modified
D. There is no default tab.
Answer : A

5. A DataSet can hold multiple tables even if there are similar fields
A. True
B. False
C.
D.
Answer : A

6. If a Form is Inherited from another Form and both Forms have certain codes in their respective Form_Load event, then while running the program
A. Only the first Forms code will be executed
B. Only the second Forms code will be executed
C. Both Forms code will be executed
D. None of the above
Answer : C

7. VB.NET does not support control arrays
A. True
B. False
C.
D.
Answer : A

8. If nothing is selected in a combo box, its index value is
A. -1
B. 0
C. 1
D. Null
Answer : A

9. Finally is fired only when error occurs
A. True
B. False
C.
D.
Answer : B

10. A thread can be started only once
A. True
B. False
C.
D.
Answer : A

11. A DataSet can be updated only when the connection is open
A. True
B. False
C.
D.
Answer : B

12. /*1. Class C
2. public mustinherit sub abc()
3. msgbox("Base Class")
4. end sub
5. end Class /* The error is in line no.
A. 1
B. 2
C. 3
D. 4
Answer : A

13. Only derived class can have shadows keyword
A. True
B. False
C.
D.
Answer : A

14. For the same class "Me" and MyBase" are same
A. True
B. False
C.
D.
Answer : A

15. _________ actually updates the values in a DataSet permanently
A. OleDataAdapterq1.update(DataSet1,"emp")
B. DataSet1.Merge(DataSet1)
C. DataSet1.AcceptChanges()
D. DataSet1.Update()
Answer : C

16. On error goto lbl is a
A. Structured error
B. Unstructured error
C.
D.
Answer : B

17. A single OLEDBAdapter can have many DataSets
A. True
B. False
C.
D.
Answer : A

18. FolderBrowserDialog displays
A. File
B. Folder
C. Drives
D. b and c
Answer : D

19. This view is not present in VB.NET
A. Project Explorer
B. Class View
C. Resource View
D. Server Explorer
Answer : A

20. DataSet can be used to connect to Crystal Report
A. True
B. False
C.
D.
Answer : A

21. The default location of the exe file of your solution is
A. ..../Project folder name
B. .../Project folder name/Bin
C. .../Project folder name/Debug
D. .../Project folder name/Debug/Bin
Answer : B

22. PasswordChar property of a TextBox can accept " " (space) as the password char
A. True
B. False
C.
D.
Answer : B

23. Images can be loaded from
A. Images.FromFile
B. BitMap.FromFile
C. System.FromFile
D. Both a and b
Answer : D

24. The correct sequence of Form Loading is
A. Load
B. Initialize, Load, Activate
C. Initialize, Activate, Load
D. Activate, Initialize Load
Answer : B

25. If Scrollbars property of a TextBox is set to Hortizontal and the WordWrap property is also set to true. Which one will get precedence
A. Scrollbars
B. WordWrap
C. No precedence both will work
D.
Answer : B

26. If a button click event is to be fired when the user press the 'Esc' key, set the buttons name against forms _________ property
A. DefaultButton
B. AcceptButton
C. DialogResult
D. CancelButton
Answer : D

27. InputBox by default returns ________ values
A. Integer
B. Byte
C. Double
D. String
Answer : D

28. To vertically arrange all forms in an MDI form use
A. Me.Layout(MdiLayout.TileVertical)
B. Me.MdiLayout(MdiLayout.TileVertical)
C. Me.LayoutMdi(MdiLayout.TileVertical)
D. Nothing is required because default is Vertical
Answer : C

29. A form can have only ______ Main Menu and _________ Context Menu
A. 1,1
B. 1,Multiple
C. Multiple,1
D. 1,2
Answer : B

30. If you want to open a file named "a.txt" use
A. System.diagnostics.Start("a.txt")
B. System.Start("a.txt")
C. System.diagnostics.Process.Start("a.txt")
D. System.Process.Start("a.txt")
Answer : C

31. If an user-defined class have a user-defined event then, the class object is declared as
A. Dim c as new ClassName
B. Dim withEvents c as new ClassName
C. Dim c as ClassName
D. Dim withEvents c as ClassName
Answer : B

32. ScrollBars can be added to
A. Panel
B. GroupBox
C. Both a and b
D. None of the above
Answer : A

33. In ListView the item that is currently selected is determined by
A. SelectedItem
B. Item
C. FocussedItem
D. GetSelected
Answer : C

34. A Class can inherit both Class and Interface at a time
A. True
B. False
C.
D.
Answer : A

35. To add items stored in an array to a ListView use
A. List1.Add(name of the array)
B. List1.AddItem(name of the array)
C. List1.Items.Add(name of the array)
D. List1.Items.Addrange(name of the array)
Answer : D

36. To make a button the default button, this property of the form must be set
A. DefaultButton
B. AcceptButton
C. DialogResult
D. None of the above
Answer : B

37. A MsgBox can have maximum ___________ button(s)
A. 1
B. 2
C. 3
D. 4
Answer : C

38. Function abc() As String
Return 10
End Function
A. Will produce compilation error
B. Will produce runtime error
C. The function will execute normally
D. None of the above
Answer : A

39. A form can have only one default button
A. True
B. False
C.
D.
Answer : A

40. To retrieve the default path of the project use
A. Application.Path
B. Application.DefaultPath
C. Application.StartupPath
D. Application.ProjectPath
Answer : C

41. To use HelpProvider, the following properties of the form needs to be set
A. HelpButton
B. MaximizeBox
C. MinimizeBox
D. All of the above
Answer : D

42. dim arr(10) as string,
the max index of the array is
A. 9
B. 10
C. Can be >10 also
D. None of the above
Answer : B

43. In TreeView to collapse all the nodes of a selected node ___________ method is used
A. CollapseAll
B. Collapse
C. Any one of the above
D. None of the above
Answer : B

44. The name of the IDE window that allows you to see the hierarchical arrangement of the files in your project is
A. Server Explorer
B. Project Explorer
C. Solution Explorer
D. None of the above
Answer : C

45. /*1. Class C
2. public notoverridable sub abc()
3. msgbox("Base Class")
4. end sub
5. end Class /* The Error in Line No.
A. 2
B. 3
C. 4
D. No Error
Answer : A

46. Using ADODB multiple tables can be connected at a time
A. True
B. False
C.
D.
Answer : B

47. To get details about an error use
A. Err.Message
B. Err.Desc
C. Err.Description
D. Err.Number
Answer : C

48. To print use
A. PrintDialog1.Print()
B. PrintDocument1.Print()
C. Printer1.Print()
D. None of the above
Answer : B

49. ________ converts to long datatype
A. Clong
B. CLng
C. Lng
D. None of the above
Answer : B

50. To uninstall a Windows Service ____________ is use
A. Installutil -I
B. Installutil -e
C. Installutil -u
D. Installutil -d
Answer : C