B.C.A. (Semester (CGPA) Examination Nov/Dec-2018
VISUAL PROGRAMMING
Time: 2½ Hours 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
event occurs when control is double clicked by mouse.
MouseClick MouseDoubleClick
MouseDown MouseEnter
method terminates the execution of thread.
Abort Start
Suspend Sleep
specially designed for accessing the value of an array or a collection.
For loop While loop
Do-while loop Foreach loop
compiler compiles MSIL into native code. .
Just In Time Language compiler
Dot.Net Compiler Java Compiler
Which of the following method is used to remove the element at the specified
place in arraylist?
Remove() RemoveAt()
Delete() RemovePosition()
control is used to select one option from a set of options.
CheckBox ListBox
RadioButton None of these
The DataAdapter object is used as an intermediary between the DataSet
object and the data provider.
True False
Which of the classes provide the operation of reading from and writing to the
console C#.NET?
System.Array System.Output
System.ReadLine System.Console
Sealed class cannot be inherited.
True False
10) The try block followed by the multiple catch blocks
True False
11) JIT stands for just in Time compiler.
True False
Page 2 of 2
SLR-CH-8
12) read only, forward only stream of data from database.
DataReader DataAdapter
Dataset None of above
13) Which of the following converts a type to string in
ToInt64 ToSbyte
ToSingle ToString
14) Storage locations used by computer memory to store data for usage by an
application is
Pointers Constants
Variable None of these
Q.2 What is a window service? Explain in detail. 05
What is generic class? Explain with different examples. 05
What is Boxing and Unboxing? Explain with example. 04
Q.3 What is Interface? How to implement interface explain with example? 05
What is Exception? Explain importance try, catch and finally block. 05
Write note on sealed class. 04
Q.4 What is Stream? Explain console I/O streams. 05
What is Lambda expression? Explain types of lambda expressions. 05
Give the features of Assemblies. 04
Q.5 Explain the term: 07
Checkbox
ComboBox
ListBox
TextBox
Create a Windows application for update existing record using stored
procedure.
07
Q.6 Create a windows application for adding a new record using stored procedure 07
What is event? Explain Multicast event in detail. 07
Q.7 Write short note on the following:- (Any 14
DataSet DataAdapter
Common Language Runtime(CLR)
Multithreading