B.C.A. (Semester (CGPA) Examination Oct/Nov-2017
VISUAL PROGRAMMING
Day Date: Saturday, 11-11-2017 Max. Marks: 70
Time: 10.30 AM to 01.00 PM
Instructions: 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.
Figures to the right indicate full marks.
Q.1 Choose the single correct alternatives: 14
What is the need for 'Conversion of data type' in
To store a value of one data type into a variable of another data type
To get desired data
To prevent situations of run time error during change or conversion of
data type
None of the mentioned
Which of these classes is used to make a thread?
String System
Thread Runnable
Which of these keywords are used for the block to handle the exceptions
generated by try block?
Try Catch
Throw Check
What is the process of defining more than one method in a class
differentiated by parameters known as?
Method overriding Method overloading
Method doubling None of the mentioned
Which of these methods is executed first before execution of any other
thing that takes place in a program?
Main method Finalize method
Static method Private method
Which of the following is NOT an Arithmetic operator in C#.NET?


namespace is required to connecting to the SQL Server.
System.Data.OracleClient System.Data.SqlClient
System.Data. System.Data.ADO
property allows the Text Box control to display text in more than
one line.
Many More
Multiline Many line
MDI stands for Multiple Document Interface.
True False
Page 2 of 2
SLR-CD-18
10) is used to select multiple items at a time.
Text Box Combo Box
List Box Option Box
11) specially designed for accessing the value of an array or a
collection.
For loop While loop
Do-while loop Foreach loop
12) To implement delegates, the necessary condition is?
Class declaration Inheritance
Run time polymorphism Exceptions
13) Select the correct statement among the given statements?
Once class could implement only one interface
Properties could be declared inside an interface
Interface cannot be inherited
None of the above mentioned
14) Choose the base class for string() method:
System.Array System.char
System.String None of the mentioned
Q.2 Write the answer of the following questions (any 14
What is .Net framework? Illustrate overview of .Net Framework.
Explain different control statement in C#.
What are different data types in Explain in detail.
Q.3 Write the answer of the following questions (any 14
What is Abstract class and sealed class? Explain with example.
What is Exception? How to use try, catch, throw keywords.
What is method overloading and overriding? Explain in detail.
Q.4 Write the answer of the following questions (any 14
What is Tread? Explain concept of threading with example.
Explain different Dialog controls in c#.
What are different types of Assemblies?
Q.5 What is Stored procedure? How to use stored procedure in program block
give example.
07
What is stream? Explain how to read and write Console I/O data. 07
Q.6 Create a windows application for deleting record using ADO.NET. 07
What is Windows Service? Explain in detail. 07
Q.7 Write short notes on the following (Any two) 14
Generic classes
Anonymous methods
Enumeration