DCA3241 ADVANCED WEB DESIGN JAN FEB 2026

Description

SESSION	JANUARY/FEBRUARY 2026
PROGRAM	BACHELOR OF COMPUTER APPLICATIONS (BCA)
SEMESTER	VI
COURSE CODE & NAME	DCA3241 ADVANCED WEB DESIGN

 

 

Assignment Set – 1

 

 

Q.1. Draw the J2ME Architecture diagram. Explain the functions of the Java Virtual Machine (KVM), Configuration (CLDC/CDC), and Profile (MIDP) layers.

Ans 1.

J2ME Architecture – Overview

J2ME is the abbreviation for Java 2 Micro Edition. It’s a platform created by Sun Microsystems to run Java applications on small devices like mobile phones, PDAs, and embedded systems. The design of J2ME is built on layers each layer serving a distinct purpose. Knowing the structure is crucial in the development of mobile applications that work.

The J2ME architecture consists of these layers starting from starting to the top: Host Operating

 

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Q.2. a) How would you create a valid XML document with a DTD (Document Type Definition)? Enlist the major steps. b) Describe the roles of Tags and Forms in creating a functional HTML5 webpage and differentiate between internal and external CSS.

Ans 2.

(a) Creating a Valid XML Document with DTD

XML is an acronym for Extensible Markup Language. The valid XML document must follow the requirements set out in its Document Type Definition (or DTD. A DTD determines the structure, elements, as well as attributes to be allowed within the XML document. The main steps required to make a valid XML document with a DTD can be found below.

Step 1: Start with an XML Declaration. Each XML document begins with the declaration:?xml

 

Q.3. Describe the XMLHttpRequest Object and its role in Synchronous vs. Asynchronous data retrieval in AJAX. Explain the concept of web security in brief.

Ans 3.

XMLHttpRequest Object and Its Role in AJAX

The acronym AJAX is an acronym for Asynchronous JavaScript and XML. It enables the transfer of information between a webpage and a server without the need of reloading the whole webpage. This makes Web applications faster and more interactive. The XMLHttpRequest is the key that enables AJAX.

The XMLHttpRequest object is a native part of the Web browser. It offers ways to communicate

 

Assignment Set – 2

 

 

Q.4. Explain the role of WSDL (Web Services Description Language) and the significance of SOAP elements in the exchange of structured information in web services.

Ans 4.

Role of WSDL in Web Services

WSDL is an acronym for Web Services Description Language. It is a language based on XML to describe web services. The WSDL document is a contract between the service provider and the service consumer. It informs the client of the service’s operations, the data it can accept and the data it returns.

WSDL documents describe a web service both in terms of its interface, and in terms of its

 

 

Q.5. Discuss the MVC (Model-View-Controller) design pattern for web applications and provide an example scenario using JSON syntax for data parsing.

Ans 5.

MVC Design Pattern in Web Applications

MVC is an acronym for Model-View-Controller. It is a software design pattern that is commonly employed in web application development. The idea of MVC is to divide the concerns of an application into three parts. This separation ensures that the code is easier to manage, test and scale.

Model

The Model contains the data and business logic of the application. It is responsible for the

 

 

Q.6. Discuss the new features of HTML5 specifically for mobile application development. Explain the use of the Canvas element with a suitable example and also write any five web development tools.

Ans 6.

New Features of HTML5 for Mobile Application Development

HTML5 has added a number of features that make it a much more suitable platform for mobile Web apps. These characteristics diminish the need for third-party plug-ins and enable developers to create extensive applications that run in a cell browser without any plug-ins.

One of the most critical features is one that supports Responsive Design. HTML5 is perfect for this and easily adapts layout on various display sizes using CSS media queries. This enables the