B.C.A. (Semester (CGPA) Examination Mar/Apr-2018
VISUAL PROGRAMMING
Time: 2½
Max. Marks: 70
Instructions: Q.1 and Q.7 are compulsory. Attempt any two questions from Q.2 to Q.4. Attempt any one question from Q.5 and Q.6. All questions carry equal marks.
Q.1
Select the correct alternatives:
14
Storage locations used by computer memory to store data for usage by an application is
Pointers
Constants
Variable
None of these
We can use reserved keywords as identifiers in c#.
True
False
Which of the following converts a type to string in
ToInt64()
ToSbyte()
ToSingle()
ToString()
is not part of exception handling keywords.
Try
Catch
Thrown
Finally
is namespace which supports multithreading.
System.net
System.Threading
System.Data
All of these
Which of these access specific should be used for main() method
private
public
protected
None of these
To use .NET Framework Data Provider for SQL Server, an application must reference the namespace.
System.Data.Client
System.Data.Sqlclient
System.Data.Sql
None of these
object is used to fill data in the DataSet with query results in ADO.Net.
DataReader
DataSet
DataAdapter
DataTable
property of textbox is used to change single line textbox to multiline.
Multiline
Multiple
ReadOnly
ManyLine
10) comboBox is used to select only one item from the list.
True
False
11) Number of constructors a class can define is
1
2
Any number
None of these
Page 2 of 2
SLR-CV-13
12) To implement delegate necessary condition is
Class declaration
inheritance
run time polymorphism
Exceptions
13) Which of the following assemblies can be stored in Global Assembly Cache?
Private Assemblies
Friend Assemblies
Shared Assemblies
Public Assemblies
14) JIT stands for Just-In Time Compiler.
True
False
Q.2
What are components of Microsoft Dot Net Framework? Explain in detail.
05
What is Array? Explain its different types with example.
05
What are different data types supported in
04
Q.3
What is delegate? Explain delegate with its applications.
05
What is Exception? Explain try and finally block with example.
05
What is Interface? How to implement interface explain with example.
04
Q.4
What is Stream? Explain any two character base stream classes.
05
What are Anonymous methods? Explain with suitable example.
05
Write note on virtual keyword.
04
Q.5
Explain ArrayList collection class with its advantages.
07
Explain architecture of ADO.Net.
07
Q.6
Create a window application to read record and display in gridview control.
07
How to use DataReader and DataAdapter in windows form.
07
Q.7
Write short note on the following:- (Any
14
Multithreading Fundamentals
ComboBox and ListBox
Types of Assemblies