B.C.A. (Part—II) Semester—IV Examination
4ST2 : VISUAL BASIC
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Time : Three Hours] [Maximum Marks : 60
N.B :— (1) All questions are compulsory.
(2) Each question carries equal marks.
(3) Use suitable data wherever necessary.
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1. (a) Explain the IDE of Visual Basic. 6
(b) What is Array ? Explain the array in VB with suitable examples. 6
OR
2. (a) Explain:
(i) Label Control
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(ii) Command Button
(iii) Form Layout Window. 6
(b) Explain the concepts of event-driven programming. Write an example of an event in VB. 6
3. (a) What are the common dialog controls ? Write procedure to add common dialog control in VB application. 6
(b) What is class module in Visual Basic ? Explain. 6
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OR
4. (a) What are the Windows common controls ? Explain. 6
(b) Write a procedure to create font dialog box. 6
5. (a) Explain the following functions :
(i) ISNumber ()
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(ii) Val ()
(iii) ISDate. 6
(b) What is an InputBox () ? Write a program using InputBox () function in Visual Basic. 6
OR
6. (a) Explain the private and public procedure with an example. 6
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(b) What is MsgBox () ? Write a program to display message using MsgBox () with “Yes” and “No” button. 6
7. (a) Explain accessing the form collection using subscripts. 6
(b) Explain the following terms :
(i) Count property
(ii) Uploading forms. 6
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OR
8. (a) Explain:
(i) Properties
(ii) Events
(iii) Method 6
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(b) Explain the different format with print 6
9. (a) Explain:
(i) print #
(ii) input#
(iii) write # 6
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(b) Write a VB program to read and write data into random file. 6
OR
10. (a) Explain the following file related commands :
(i) put#
(ii) get # 6
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(b) Write a VB program to copy the content of one file into another file. 6
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