DOEACC Society 2006 DOEACC O Level M4.2-R3 Programming through Visual Basic ( ) - Question Paper

A) Load
B) Show
C) Activate
D) None of the above
M4.2-R3 Page two of five July, 2006
2. every statement beneath is either actual or FALSE. select the most improper 1 and
ENTER in the “tear-off” sheet attached to the ques. paper, subsequent instructions
therein. (1 x 10)
2.1 IDE stands for Integration Development Environment
2.2 Placing the controls on the form creates user interface.
2.3 Local variables can be used anywhere within the program.
2.4 The Hide method removes Form from the display, and from the memory.
2.5 Set Focus method of TextBox places the cursor in a specified text box.
2.6 You can use the timer control to perform the tasks at regular intervals.
2.7 Debug window is identical as Code window.
2.8 The MultiSelect property determines how the user can choose the List’s items and must be set at
runtime.
2.9 Inheritance is a mechanism of deriving a new class from old one.
2.10 SQL commands are sent to the database by means of the Open method.
3. Match words and phrases in column X with the nearest related meaning/ word(s)/phrase(s) in
column Y. Enter your selection in the “tear-off” ans sheet attached to the ques.
paper, subsequent instructions therein. (1 x 10)
X Y
3.1 Contains the info necessary to establish a
connection
A. Dynamic Cursor
3.2 Allows to view additions, modifications and deletions by
other users
B. Explicit Variable
3.3 The embedded data are also linked to the document
from which they come
C. Object Linking
3.4 opted portion of a text string D. ConnectionString
3.5 Argument passing mechanism E. Step Out
3.6 To copy an image from a source to a designation F. ByVal and ByRef
3.7 Displays the request info during break mode G. Mid
3.8 The default property of Err object is H. BitBlt( )
3.9 Executes the reminder of the current procedure and
breaks at the next line in the calling procedure
I. Scale mode
3.10 Sets control’s current system J. Immediate Window
K. Number
L. MsgBox
M4.2-R3 Page three of five July, 2006
4. every statement beneath has a blank space to fit 1 of the word(s) or phrase(s) in the list
below. Enter your option in the “tear-off” ans sheet attached to the ques. paper,
subsequent instructions therein. (1 x 10)
A. Scope B. AddItem C. Password Char
D. Frame E. Properties window F. DLL
G. Index H. User-defined I. QueryUnload
J. ForeColor K. Internal L. Jet
M. DataItem N. KeyDown
4.1 The ________________ is used to establish initial property values for the project.
4.2 ____________ Control is used to give an identifiable grouping for other controls.
4.3 To explicitly kind a variable, you must 1st determine its ____________.
4.4 The _______________ field is used to create an array of commands.
4.5 The ________________ property of TextBox hides text with a single character.
4.6 The ____________ method adds a row to an MSHFlexGrid.
4.7 The ____________ property of the Picture box or form determines the color of the shape you
draw.
4.8 When an MDI form is unloaded, the ___________ event is invoked 1st for the MDI form.
4.9 Calling DLL routines from your program is the identical as calling a(n) ____________ procedure.
4.10 A(n) ____________ loaded at runtime does not need to be linked to your applications.
M4.2-R3 Page four of five July, 2006
PART TWO
(Answer any 4 questions)
5.
a) Write a short note on Arrays?
b) Differentiate ranging from the class module and the standard module?
c) describe Shadowing?
(5+5+5)
6.
a) How to change the position of the form during design time? And How to position it during run
time?
b) Write short on Timer Control.
c) elaborate various kinds of Data kinds in Visual Basic? discuss the user described data kinds.
(7+4+4)
7.
a) elaborate 3 kinds of programming errors and discuss them in brief?
b) define subsequent layers of Visual basic application?
i) User interface
ii) Data interface
iii) Transaction interface
iv) External Access Interface
c) What is MDI? Briefly discuss.
(5+6+4)
8.
a) Write Short notes on subsequent objects?
i) Connection Object
ii) Recordset object
b) What is use of Popup menu? Explain, how to create the Popup menu in Visual Basic?
c) How to manipulate menu at run-time?
(6+5+4)
9.
a) discuss with example how the ADO allows you to access data from a database.
b) Distinguish among RUN, Design and Debug modes in Visual Basic.
(8+7)
M4.2-R3 Page five of five July, 2006

Earning:   Approval pending.