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Posted By: pradha s Member Level: Gold Posted Date: 02 Jul 2008
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2007 Allahabad Agricultural Institute P.G.D.C.A. University Question paper
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DISTANCE EDUCATION
P.G.D.C.A. (Sem) EXAMINATION,
DECEMBER 2007.
VISUAL PROGRAMMING — I
(2005 onwards)
Time : Three hours Maximum : 100 marks
Answer any FIVE questions.
(5 ? 20 = 100)
1. (a) Describe the 21 tools from the tool box of VB. (10)
(b) Write notes on :
(i) Property Window (5)
(ii) Event procedures. (5)
2. (a) List the properties and events of command buttons.
(10)
(b) (i) Explain various tools on the Edit Tool Bar. (5)
(ii) Describe the scope and life time of variables in VB.
(5)
3. (a) Describe the check box, option, frame, combobox and list box. (10)
(b) (i) Explain the auto redraw property of forms in Visual Basic. (5)
(ii) List the properties of Rich Text Box. (5)
4. (a) (i) How will you utilize the applications of graphics in VB? (5)
(ii) Differentiate the Command button and
Text box. (5)
(b) (i) Write a program in VB to count the number of (.) periods in a string. (5)
(ii) What is the difference between pass by value method and pass by reference method of a function call? (5)
5. (a) Explain arrays. Write a program to perform the operation of a calculator using the control array. (10)
(b) What is the purpose of menus, MDI and Mouse events? Describe them with programs. (10)
6. (a) Illustrate the steps involved in Object-Oriented Programmings. (10)
(b) Write a note on transferring graphics from/to the clipboard and explain. What are the methods and constants used? (10)
7. (a) (i) Perform the reading and writing operations using files in Visual Programming. (6)
(ii) Explain the file system controls. (4)
(b) (i) Elaborate the use of AppActive statement in facilitating communication between VB and other windows applications. (5)
(ii) Illustrate four ways of creating OLE objects. (5)
8. (a) Describe the process of file sharing using open statement and define the data access structure. (10)
(b) Explain the building of Active X Control with coding statements. (10)
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