BCA 5th SEM Sample Jan-Feb 2024 Manipal Jaipur University

SESSION	FEB 2024
PROGRAM	BCA
SEMESTER	V
course CODE & NAME	DCA3101 & Web Design
CREDITS	4
nUMBER OF ASSIGNMENTS & Marks	02 30

Set-I

a) Define the Internet and Describe most used Internet connection types.

Ans:There is no single definition that holds good, but certain definitions are generally agreed upon because the Internet is a different thing to different people. We can give the following few expressions in this context.

Internet links are computer networks all over the world so that users can share resources and communicate with each other.
It is the name for a vast, worldwide system consisting of people, information, and computers.
It is a network of networks that spans the globe.
It is an ocean of

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What do you mean by networking protocols and what are the widely used internet protocols?

Ans: Networking Protocols: Networking protocols are standardized rules and conventions that define how data is transmitted, received, and processed in a network. These protocols ensure that devices from different manufacturers can communicate and understand each other. Protocols exist at various layers of the OSI (Open Systems Interconnection) model, which conceptualizes network communication into seven layers.

Here are some of the key layers and associated protocols:

a) Could you elaborate on the concept of hypertext links as utilized in HTML?

Ans:Hypertext links, often referred to simply as links, are a fundamental feature of HTML (Hypertext Markup Language) used to create connections between different web pages and resources on the internet. Links allow users to navigate between pages, access additional information, and interact with various elements within a webpage. The primary HTML element used to create links is the <a> (anchor) element.

Here’s an overview of how

Set-II

What are the distinctions between HTML and DHTML? And explain disadvantage of DHTML.

Ans:HTML (Hypertext Markup Language) and DHTML (Dynamic HTML) are related technologies used in web development, but they serve different purposes and have distinct characteristics.

HTML (Hypertext Markup Language):

HTML is the standard markup language used to create the structure of web pages. It defines the basic elements of a

Describe the various types of operators employed in PHP, providing an example for each?

Ans:In PHP, operators are used to perform operations on variables and values.

Here are some of the main types of operators in PHP, along with examples:

Arithmetic Operators: Used for basic arithmetic operations like addition, subtraction, multiplication, division,

What does the term “function” refer to in JavaScript? How many methods are available for invoking a function in JavaScript?

Ans:

In JavaScript, a function is a block of reusable code designed to perform a specific task or to calculate a value. Functions allow you to encapsulate a piece of code, give it a name, and then call that code by referring to its name. Functions can take parameters (inputs), perform operations, and return a result.

Here’s a basic example of a function in JavaScript:

Functiongreet (name) {

Return “Hello, ” +

SESSION	FEB 2024
PROGRAM	BCA
SEMESTER	V
course CODE & NAME	DCA3102 & VISUAL PROGRAMMING
CREDITS	4
nUMBER OF ASSIGNMENTS & Marks	02 30

Set-I

Draw and explain architecture of .net framework.

Ans:.NET framework is the product of Microsoft has huge number of libraries and provides language interoperability runs primarily on windows platform. The .NET Framework is defining the background to execute Visual Basic .NET applications and supporting various services to run the application.

This .NET framework supports the traditional way of running applications in the windows platform also supports

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Explain different data types used in VB.Net.

Ans:In VB.Net (Visual Basic .NET), data types are used to define the type of data that a variable can hold.

Each data type has specific characteristics and size requirements.

Here are some of the commonly used data types in VB.Net:

Integer:

Represents whole numbers.

Examples: -2, 0, 42.

Dim my

Explain Looping statements with example.

Ans:Loop statements generally the program starts executing statements sequentially but there are situation where the programmer wanted to execute the set of statements for repeated number of times. So the languages supports by providing various loops construct to support the complex situation.

Here loop statements execute either a single or group of statements for a specified number of times.

Following are the

Set-II

What is constructor and destructors?

Ans: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 state. It is called a constructor because it constructs the values of data members of the class. Constructors Type: Constructors are primarily three types . The first type is called copy constructor, the second one is default constructor and the third one user define constructor. The first type of constructor that is copy constructor is again further divided into parameterized and

What is Exception? Explain Try-Catch block with example.

Ans:An exception is an event that occurs during the execution of a program and disrupts the normal flow of its instructions. Exceptions are typically unexpected or erroneous situations that arise during runtime and can lead to program termination if not properly handled. They can be caused by various factors, such as invalid input, file not found, division by zero, or network errors.

The Try, Catch,

Explain following.

Dataset
Data Reader
Data Adapter
XML

Components of Tersus Platform

Ans:(a) Dataset: A Dataset in the context of .NET programming, including VB.Net, is an in-memory representation of data retrieved from a data source, such as a database. It is a disconnected, cached set of data that can be used for various purposes, such as data manipulation, sorting, filtering, and displaying. The Dataset class is part of the ADO.NET (ActiveX Data Objects for .NET) framework.

Key features of a

SESSION	Feb 24
PROGRAM	BACHELOR OF COMPUTER APPLICATIONS (MCA)
SEMESTER	V
COURSE CODE & NAME	DCA3103 – SOFTWARE ENGINEERING
CREDITS	4
NUMBER OF ASSIGNMENTS & MARKS	02 30 Marks each

Set – I

Explain the advantages and disadvantages of different software development models.

Ans 1.

Software development models are methodologies or approaches used by software development teams to plan, design, build, test, and deliver software products. Each model has its own set of advantages and disadvantages, and the choice of which model to use depends on the specific project requirements, constraints, and team dynamics. Here’s an overview of some common software development models:

Waterfall Model:

Advantages:

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2.i. List the various guidelines for data design.

2ii. List various functions of architectural design.

Ans 2i.

Various Guidelines for Data Design:

Understand the Business Requirements: Start by thoroughly understanding the business needs and objectives that the data will support. This includes understanding what data is essential, how it will be used, and who the primary users are.
Data Modeling: Employ data modeling techniques to create a clear and structured representation of the data. Common approaches include Entity-Relationship Diagrams (ERD) and Unified

Briefly explain the different approaches to software process assessment and its improvement.

Ans 3.

There are several approaches to software process assessment and improvement, each with its own methodologies and objectives. Here’s a brief explanation of some of the common approaches:

Capability Maturity Model Integration (CMMI): CMMI is a framework that focuses on improving the maturity of an organization’s processes. It provides a set of best practices for process improvement in various areas, such as development, service delivery, and acquisition.

Set – II

4.i. Briefly explain the characteristics of software testing.

4ii. Write a short note on

White Box Testing
Black Box Testing

Ans 4(i).

Characteristics of Software Testing: Software testing is a critical phase in the software development life cycle, and it has several important characteristics:

Purposeful Activity: Software testing is conducted with a specific purpose, which is to identify defects or issues in the software and ensure that it meets the specified requirements.
Dynamic Process:

Define Software maintenance and explicate its various tasks.

Ans 5.

Software maintenance refers to the process of managing and improving software after it has been deployed or released to users. It involves a series of tasks and activities aimed at ensuring that the software continues to meet its intended purpose, remains reliable, and adapts to changing user needs and environments. Software maintenance is a crucial phase in the software development lifecycle and typically consumes a significant portion of a software system’s lifecycle

6i. Briefly explain the Process of Agile Software Development.

6ii. Differentiate traditional Software Engineering and Modern Engineering.

Ans 6i.

Agile Software Development Process: Agile software development is a set of principles and practices that prioritize flexibility, collaboration, and customer feedback in the software development process. Here’s a brief overview of the key aspects of Agile:

Iterative and Incremental: Agile breaks the project into smaller iterations or increments, typically 2-4 weeks long. Each iteration results in a potentially shippable product increment.
Customer Collaboration: Agile emphasizes close collaboration with customers and stakeholders

SESSION	FEB 2024
PROGRAM	BCA
SEMESTER	V
course CODE & NAME	DCA3104 & PYTHON PROGRAMMING
CREDITS	4
nUMBER OF ASSIGNMENTS & Marks	02 30

Set-I

Write short notes on types of operators in python with appropriate example.

Ans:ARITHMETIC OPERATORS

Python allows the use of various arithmetic operators that are used to perform mathematical operations such as addition, subtraction, division, multiplication, etc. These operators are essentially used to perform calculations using the Python programming language. The operators can be used on numeric data types such as integers, long integers, floating-point real numbers, complex numbers, and others that can be defined in Python. All these arithmetic operators

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Explain about string slicing with examples.

Ans:In Python, string slicing is a powerful and convenient feature that allows you to extract a portion (substring) of a string by specifying a range of indices. The syntax for string slicing is string [start: stop], where start is the index where the slice begins, and stop is the index where the slice ends (not inclusive).

Here’s an explanation with examples:

Basic String

Differentiate between local and global variables with example.

Ans:In programming, local and global variables are terms used to describe the scope of a variable, determining where in the code the variable is accessible.

Here’s a differentiation between local and global variables in Python, along with examples:

Local Variables:

Scope:

Set-II

What kinds of errors can one encounter when writing in Python? Give a thorough explanation using examples.

Ans:In Python, errors are categorized into three main types: syntax errors, runtime errors (exceptions), and logical errors.

Let’s explore each type with examples:

Syntax Errors: Syntax errors occur when the code violates the Python syntax rules. These errors prevent the code from being execu

Define python tuples? With example explain the concept of Accessing Values in tuples, updating tuples and deleting tuple elements.

Ans:In Python, a tuple is a collection data type that is ordered and immutable. Tuples are similar to lists, but the key difference is that tuples cannot be modified after creation. They are created using parentheses ().

Creating Tuples:

# Creating a tuple

My tuple = (1, 2, 3,

With suitable example explain the concept of using else statement with loops related to while loop.

Ans:

In Python, the else statement can be used in conjunction with a while loop to specify a block of code to be executed when the loop condition becomes False. The else block is executed only if the loop completes its iteration without encountering a break statement.

Here’s an example to illustrate