DCA6203 MCA WEB TECHNOLOGIES

Description

SESSION	MARch 2024
PROGRAM	MASTER of COMPUTER APPLICATIONS (MCA)
SEMESTER	2
course CODE & NAME	DCA6203 – WEB tECHNOLOGIES
CREDITS	4
nUMBER OF ASSIGNMENTS & Marks	02 30 Marks each

 

 

Set – Ist

 

1. Explain the historical significance of HTML in web development. Discuss how HTML is used to create the structure and content of webpages.

Ans:

Historical Significance of HTML in Web Development

HTML, or Hypertext Mark-up Language, has been fundamental to the development and evolution of the World Wide Web since its inception.

Here are some key points highlighting its historical significance:

1. Creation and Early Adoption (1990s):
   • HTML was first proposed by Tim Berners-Lee in 1991 as a way to structure and link

 

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2. Differentiate between HTML and DHTML. Also discuss the various advantages of DHTML.

Ans:

Dynamic HTML is an extension of HTML that enables, among other things, the inclusion of small animations and dynamic menus in web pages.

DHTML code makes use of style sheets and JavaScript. When you see an object, or word(s), on a webpage that becomes highlighted, larger, a different colour, or a streak runs through it by moving your mouse cursor over it is the result of adding a DHTML effect.

This is done in the

 

3. Explain different features of XML. Discuss an example of a web page using XML.

Ans:

Features of XML:-

XML is popular for many features and few of them are listed here:

1. Easy Data Exchange: In XML, data and mark-up are stored as text that we can configure. If we like, we can use XML editors to create XML documents but if something goes wrong we can examine and modify document directly because it’s all just text.XML provides a very efficient way of storing most data. In addition, when we standardize mark-up languages, many different people can use them.
2. Customizing mark

 

Set – IInd

 

4. Discuss the concept of Xlink in XML. Define various attributes of Xlink

Ans: XLink (XML Linking Language) is a W3C specification that provides a standard way to create hyperlinks in XML documents. Unlike HTML, which has a fixed set of linking tags (<a> for anchors), XLink is more flexible and can be used with any XML elements to create sophisticated linking structures.

Concepts of

 

5. What is AJAX? Discuss its working, components and advantages.

Ans: Full form of AJAX is “Asynchronous JavaScript and XML”. AJAX is not a new programming language, but a new way to use existing standards. It is a technique, rather than a framework. It allows web pages to behave less like flat documents and more like dynamic GUI apps that users might expect f

 

6. Describe the purpose of PHP in web development. Describe the syntax of PHP code, including basic elements such as variables, data types, operators, and comments with the code example.

Ans: PHP (Hypertext Pre-processor) is a widely-used server-side scripting language designed primarily for web development. Its main purpose is to enable developers to create dynamic and interactive web pages that can interact with databases, handle form submissions, manage sessions, and perform various other server-