DipIETE – CS (OLD SCHEME)
Code: DC16 Subject: VISUAL BASIC & APPLICATIONS
Time: 3Hr. Max Marks: 100
NOTE:
There are 9 Questions in all.
· Question 1 is compulsory and carries 20 marks. Answer to
Q.1 must be written in the space provided for it in the answer book supplied
and nowhere else.
· Out of the remaining EIGHT Questions, answer any FIVE
Questions. Each question carries 16 marks.
· Any required data not explicitly given, may be suitably
assumed and stated.
Q.1 Choose the correct or the best alternative in
the following: (2
10)
a. Which of the
following is not a VB data type?
(A) String (B)
Currency
(C) Date (D)
Variable
b. What is the output of
the following code segment?
Dim I
Dim A as Integer
I = 25/4
A = I
Print A
(A)
6 (B)
6.25
(C)
6.5
(D) 6.3
c.
(A)
Abstract
Data Object (B)
ActiveX
Data Object
(C)
Actual
Data Object (D) None of these
d. Which of the following is not a property of command
button?
(A)
Caption (B)
Visible
(C) Multiline (D)
Font
e. Choose the correct HTML tag for the largest heading
(A)
<head> (B)
<heading>
(C)
<h1> (D)
<h6>
f. What is the correct HTML for inserting an image?
(A)
<image
src= “image.gif”> (B) <img src =
“image.gif”>
(C)
<img>image.gif<\img> (D) <img href = “image.gif”>
g.
What
is the extension of the visual basic project file?
(A) frx (B) vbp
(C) ocx (D)
res
h. Which property of the
form changes the forms title?
(A) Name (B)
Heading
(C) Title (D)
Caption.
i.
The default data type in Visual Basic is _________.
(A) variant (B) integer
(C) string (D)
boolean
j. For a local
variable in a procedure to retain its value between calls, it must be
declared with keyword __________.
(A) public (B) private
(C) protected. (D) static
Answer any FIVE
questions out of EIGHT questions
Each question
carries 16 marks
Q.2 a. Create
the following table with background pink in HTML: (8)
|
Item Code |
Item Name |
Price |
|
1001 |
Digital Camera |
Rs. 6,500/- |
|
1002 |
Audio System |
Rs. 12,000/- |
|
1003 |
Television |
Rs. 16,000/- |
|
1004 |
Washing Machine |
Rs. 9,000/- |
b. Briefly
explain the various methods used in VB to manage forms. (4)
c. Write down the name of the common file types
in a VB 6.0 project. (4)
Q.3 a. What are frames? How are they used in an HTML
page? (8)
b. Differentiate
between Do…..Until and Do…..While loops. (6)
c. What is the function of ‘Option Explicit’? (2)
Q.4 a. Briefly explain the following tags used in
HTML language: (6)
(i)
<pre>
(ii) anchor
tag
(iii) <fieldset>
(iv) <ul>
b. Briefly explain the various data types
available in Visual Basic. (6)
c. What
do you understand by event driven programming? (4)
Q. 5 a. What are the different types of Common Dialog
boxes? Explain any one of
them. (8)
b. Write
a program in VB to find the area of a circle using functions. (8)
Q. 6 a. Explain data connectivity with
b. Explain the Properties, Events and Methods
for Command Buttons. (8)
Q.7 a. Briefly explain the following functions in
Visual Basic with an example each:
(i) Mid()
(ii) InStr()
(iii)
Sgn()
(iv) Round() (8)
b.
Briefly explain
passing arguments by value and by reference along with
their syntax. (6)
c. Briefly explain the difference between List
Box and Combo Box in VB. (2)
Q.8
a. Write
a program to find the factorial of a number entered through the text box when
the user clicks on the Factorial button.
(8)
b. Briefly
differentiate between MsgBox() and InputBox() function in Visual
Basic. (2)
c. Define Fixed
Arrays and Dynamic Arrays. Illustrate their declaration with an example. (6)
Q.9 a. Briefly
explain the life and scope of different types of variables in Visual Basic. (6)
b.
Differentiate between
the following: (6)
(i)
SDI and MDI
(ii)
Text Box and Rich Text
Box
(iii)
Function and Procedure
c. Write
short notes on Com / OLE. (4)