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PROGRAM
BACHELOR
OF COMPUTER APPLICATION
SEMESTER
5
SUBJECT
CODE & NAME
Qus:1
Explain the concept of Overriding in VB.net.
Answer: Access modifiers will fix the
accessibility levels of the data member and member function of the class. Means
to what extend the members of the class will be accessible or visible. Following
are the list of access levels that the VB .NET supports.
Public
Private
Protected
Qus:2Briefly
explain the “For Next” loop in VB.net with an example.
Answer:
This
loop executes for single or group of statements for a specified number of
times, here the loop index counts the number of iterations. This loop can be
terminated at any point of time using Exit For statement.
For counter [ As datatype ] = start To end [
Qus:3 What
are the advantages of event driven programming?
Answer:
In
event driven or event based programming the flow of program is determined by
events. It relies on events, triggers and handlers, program executed based on
the event will be triggered by the GUI elements. Event driven programming can
also be defined as an application architecture technique here the application
has a main loop and further it has been divided in to two sections.
Qus:4 What
is delegates? Explain the role of delegates on VB .NET
Answer:
A
delegate can be defined as a “type safe function pointer”. It encapsulates the
memory address of a function in your code. Whenever you create or use an event
in code, you are using a delegate. When the event is thrown, the framework
examines the delegate behind the event and then calls thefunction
Qus:5
Discuss the following
a.
SQLDataAdapter
b. DataSet class
Answer:
a. SQLDataAdapter
The DataAdapter is an interface between the database and the
dataset. It is located between the connected and disconnected parts of Ado.Net
as a connector. DataAdapter class will be instantiated by the constructor that
are generally overloaded. If we use the default constructor for the
DataAdapter, we need to specify
Qus:6
Explain Features of Android Operating system
Answer:Handset
layouts: The
platform is adaptable to higher, VGA (Video Graphics Array), 2D graphics
library, 3D graphics library based on OpenGL ES 2.0 specifications, and
traditional smartphone layouts.
Storage:
SQLite
is one of the lightweight relational databases, used in Android platform that
makes the data storage more easy and comfortable. Connectivity: Android
supports a connectivity technology that includes IDEN NFC, GSM/EDGE, Bluetooth,
CDMA, EV-DO, UMTS, WiMAX., Wi-Fi, LTE, etc.
Messaging:
The
two major forms of message availability are in the forms of SMS (Shot Message
Service) and MMS (Multimedia
Dear
students get fully solved assignments
Send
your semester & Specialization name to our mail id :
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or
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us at : 08263069601
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