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PROGRAM
BCA (REVISED FALL 2012)
SEMESTER
5
SUBJECT
CODE & NAME BCA5010- WEB DESIGN
Qus:1
Define the term internet. Write short notes on history of internet.
Ans:
Internet:
Connecting
all system in world called internet. It is a network of network that consists
of millions of private, public, academic, business and government networks, of
local to global scope, that are linked by broad array of electronic, wireless
and optical networking technologies. There is no single definition holds good,
but certain definition are generally agreed upon because internet is a
different thing to different people.
History
of internet:
The
Internet was the result of some visionary
Qus:
2 Write short notes on any five popular web servers.
An:
Popular
web servers:
The
most important and popular web servers:
1.
Apache web server – the HTTP web
server Free and the most popular web server in the world
developed by the Apache Software Foundation. Apache web server is open source
software and can be installed and made to
Qus:
3 Describe Class Based IP Address.
An:
Class
Based IP Address:
There are five classes of IP addresses.
Qus:4
List out the advantages of DHTML
Ans:
Advantages
of DHTML:
Advantages of DHTML:
1. Supported by all browsers: DHTML
is supported in every major browser, including Opera, Safari, Internet Explorer,
and Firefox.
2. Open standards: You can
create your pages according to the standardized technologies of DHTML and you
can expect that, they will display much the same on any major browser.
3. Small file
Qus:5
What are the loop types available in PHP? Explain each of them with the syntax.
Ans:
Loop
types available in PHP:
Loops are used to execute same block of code repeatedly.
There are mainly four loops. They are,
·
For
·
While
·
Do…while
·
For each
a) The for loop statement
For loop is an entry
Qus:6
Explain the different operators used in PHP?
Ans:
Different
operators used in PHP:
There are many operators used in PHP, so we have
separated them into the following categories to make it easier to learn them
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PROGRAM-BCA (REVISED FALL 2012)
SEMESTER-5
SUBJECT CODE & NAME-BCA5020-
VISUAL PROGRAMMING
CREDIT-4
BK ID-B1872
MAX. MARKS-60
Qus:1
List and explain the list of data types supported by VB .NET.
Ans:
The
list of data types supported by VB .NET:
VB.NET also has a new Char type, which is an unsigned
16-bit type that is used to store Unicode characters. The new Decimal type is a
96-bit signed integer scaled by a variable power of 10. Table below listing the data types available ib VB .NET.
Qus:2
Explain the For and While loop statements of VB.NET
Ans:
The
For and While loop statements of VB.NET:
For Next:
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
Qus:3
Discuss the concept of constructor and destructor with appropriate example.
Answer:
Concept
of constructor and destructor with example:
Constructor:
Constructor is defined as
constructor in a class is a special type of subroutine is called to create an
object. It prepares the new object for use, often accepting parameters that the
constructor uses to set member variables required for the object to reach a
valid
Q4.
What is attributes? Explain its properties. Discuss the targets of attributes.
Answer.
Attributes:
Attributes provide a powerful method of
associating metadata, or declarative information, with code (assemblies, types,
methods, properties, and so forth). After an attribute is associated with a
program entity, the attribute can be queried at
Qus:5 Briefly explain the following terms:
·
Exception
·
Try
·
Catch
·
Throw
·
Finally
Answer:
a) Exception: Unexpected
conditions generated error codes, which were confined by programming logic that
took appropriate action. The CLR (Common Language Runtime) in .NET does not
generate error codes. When an unexpected condition occurs, the CLR creates a
special object called an exception. This object contains properties and methods
that describe the unexpected condition in detail and communicate various items
of useful information about
Qus:6
Describe the various components that enable the Android function in brief.
Ans:
The
various components that enable the Android function in brief:
The components are majorly divided in to four types.
Ø Activities
Ø Services
Ø Content providers
Ø Broadcast receivers
Each type of components is assigned with specific purpose
with unique lifestyle that gives an idea about the creation and destroys of
those components. Now we are going to discuss those four components in detail.
·
Activities: An activity
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·
PROGRAM
BACHELOR OF COMPUTER APPLICATION
SEMESTER
5
SUBJECT CODE & NAME
BCA5030, SOFTWARE ENGINEERING
Qus:1
What is The Need for a Business Model in Software Engineering?
Answer: Software engineering faces several dilemmas. It has
comprehensive goals, but limited tools. It demands broad perspectives, but
depends on narrowly focused practitioners. It places a high premium on quality,
but often has insufficient inputs to its problem-solving process. As a field,
software engineering has yet to define theories and frameworks that adequately
combine th
Qus:2
a) What are the different levels of software reuse?
b)
What are the aspects of software reuse?
Answer: The design process in most engineering disciplines is
based on component reuse. Mechanical or electrical engineers do not specify a
design in which every component has to be manufactured specially. They base
their
Qus:3
What is meant by Architectural Design? Explain.
Answer: Large systems can be decomposed into sub-system that
provides some related set of services. The initial design process of
identifying this subsystem and establishing a framework for sub-system control
and communication is called Architectural design.
Architectural design comes before
detailed system specification, it should not include any design information
Qus:4
What are the different phases of Rapid Application Development model?
Answer: Rapid Application Development (RAD) is an incremental
software development process model that emphasizes an extremely short
development cycle. The RAD model is a high speed adaptation of the linear
sequential model in which the rapid development is achieved by
Qus:5
Explain Top-down Integration Testing and Bottom-up Integration Testing.
Answer: Top-down integration testing is an incremental approach to
construction of program structure. Modules are integrated by moving downward
through the control hierarchy, beginning with the main control module (main
program). Modules subordinate (and ultimately subordinate) to the main control
module are incorporated into the structure in either a depth-first or breadth
first
Qus:6
What do you mean by Customer Driven software development?
Answer: It is a truism that, in a customer-focused economy, software
engineering must also be customer driven. This section considers some
characteristics and techniques typical of a customer-driven software
development environment. These include:
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PROGRAM-BCA (REVISED FALL 2012)
SEMESTER-5
SUBJECT CODE & NAME-BCA5042–
Graphics and Multimedia Systems
CREDIT-4
BK ID-B1552
MAX. MARKS-60
Qus:1 What is 3D display devices?
Briefly explain the types of 3D display devices.
Ans:
3D display devices:
A 3D display is any display device
capable of conveying a stereoscopic perception of 3-D depth to the viewer. The
basic requirement is to present offset images that are displayed separately to
the left and right eye. Both of these 2-D offset images are then combined in
the brain to give the perception of 3-D depth. Although the term "3D"
is ubiquitously used,
Qus:2 Briefly explain line drawing
algorithm with an example.
Ans:
Line drawing algorithm with an example:
Line Drawing Algorithm:
A line drawing algorithm is a graphical algorithm for
approximating a line segment on discrete graphical media.
The Cartesian slope-intercept equation
Qus: 3 Explain flood fill algorithm.
Ans:
Flood fill algorithm:
Sometimes we want to fill in (or recolor) an area that is
not defined within single color boundary. We can paint such areas by replacing
a specified interior color instead of searching for a boundary color value.
This approaches called a flood-fill algorithm. We start from a specified
interior point (x, y) and reassign all pixel values that are currently set to a
given interior color with the desired fill color. If the area we want to paint
has more
Qus:4 Write a note on:
·
Control points
·
Knot Vector
Ans:
Control points:
The control points determine the shape
of the curve. Typically, each point of the curve is computed by taking a
weighted sum of a number of control points. The weight of each point varies
according to the governing parameter. For a
Q5.
What is multimedia? Explain briefly the uses of multimedia.
Answer.
Multimedia:
Multimedia refers to content that uses a combination
of different content forms. This contrasts with media that use only rudimentary
computer displays such as text-only or traditional forms of printed or
hand-produced material. Multimedia includes a combination of text, audio, still
images, animation, video, or interactivity content forms.
Multimedia is usually recorded
Q6.
Explain the following
(a)
Full animation
(b)
Limited animation
(c)
Rotoscoping
Answer:
a)
Full animation:
Full animation
refers
to the process of producing high-quality traditionally animated films, which
regularly use detailed drawings and possible movement. Fully animated films can
be done in a variety of styles, from more realistically animated works such as
those produced by
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