B.C.A. (Semester Examination, 2017
VISUAL PROGRAMMING
Day Date: Thursday, 13-04-2017 Max. Marks: 80
Time: 10.30 AM to 01.30 PM
N.B. Q.1 and Q.7 are compulsory.
Attempt any two questions from Q. 3 and 4.
Attempt any one question from Q. 5 and 6.
Q.1 Choose correct alternatives: 16
Which of the following is the correct way to find out the number of
elements currently present in an ArrayList Collection called arr?
arr.Count arr.Capacity
arr.UpperBound arr.Length
Which property determines whether a control is displayed to the
user?
Hide Show Visible Enabled
In variables are categorized into
Value Types Reference Types
Both a and b All of these
An interface can contain declaration of
Methods Events Indexers All of these
The Tick event is found only in
Button Label Timer TextBox
In a HashTable, Key cannot be null, but Value can be null.
True False
Which of the following is NOT a .NET Exception class?
StackMemoryException
DivideByZeroException
OutOfMemoryException
IndexOutOfRangeException
Which of the following is not a keyword?
private delegate implements event
can be stored in Global Assembly Cache.
Private Assemblies Shared Assemblies
Public Assemblies Protected Assemblies
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10) Default access specifier for class is
public internal protected none of these
11) Static constructors does not have any access modifiers.
True False
12) Which of the following class is not related to the System.IO
namespace?
StreamReader StreamWriter
StreamFile StringReader
13) JVM compiler of .Net compiles MSIL into native code.
True False
14) terminates the execution of thread.
Start() Suspend() Sleep() Abort()
15) Delegates may be defined at
inside a class outside of classes
Both a b None of these
16) Which of the following is the root of the .NET type hierarchy?
System.Object System.Type
System.Base System.Parent
Q.2 Write a program to demonstrate multithreading. 06
What is DataSet? Explain with its advantages. 06
Differentiate Array and ArrayList class. 04
Q.3 What is a window service? Explain its advantages. 06
What is ADO.Net? Explain in detail. 06
Give the differences between struct and class. 04
Q.4 Explain assemblies with features. 06
Explain StreamReader and StreamWriter classes. 06
Write note on operator overloading. 04
Q.5 Explain the term:
Label TextBox CheckBox RadioButton
08
What is event? Explain with suitable example. 08
Q.6 Create a window application to insert a new record in student
table using stored procedure.
08
What is generic class? Explain with different examples. 08
Q.7 Write short notes on the following (Any four) 16
Static constructor
Boxing and Unboxing
Anonymous method
SDI and MDI
CTS