Sam Higginbottom Institute of Agriculture, Technology & Sciences 2007 P.G.D.C.A. - Question Paper

DISTANCE EDUCATION
P.G.D.C.A. (Sem) EXAMINATION,
DECEMBER 2007.
VISUAL PROGRAMMING — I
(2005 onwards)
Time : 3 hours Maximum : 100 marks
ans any 5 ques..
(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 different 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 ranging from 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? define 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 discuss. elaborate the methods and constants used? (10)
7. (a) (i) Perform the studying 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 ranging from VB and other windows applications. (5)
(ii) Illustrate 4 ways of creating OLE objects. (5)
8. (a) Describe the process of file sharing using open statement and describe the data access structure. (10)
(b) Explain the building of Active X Control with coding statements. (10)
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Earning:   Approval pending.