DCA3101 WEB DESIGN SEPTEMBER 2025

Description

SESSION	SEPT 2025
PROGRAM	BACHELOR OF COMPUTER APPLICATIONS (BCA)
SEMESTER	V
COURSE CODE & NAME	DCA3101 WEB DESIGN

 

 

SET-I

 

Q1. What is the main difference between the Internet and the World Wide Web, and what roles do they play in digital communication and information sharing? How do their underlying technologies vary, and why is it important to understand this distinction in the context of online systems and web development? 5+5           

Ans 1.

Difference Between Internet and World Wide Web – Roles, Technologies & Importance

The Internet and the World Wide Web (WWW) are often used interchangeably, but they are fundamentally different components of the digital ecosystem. The Internet is the global physical network of interconnected computers, communication devices, and infrastructure, while the World Wide Web is a collection of interlinked documents and multimedia resources accessed through web browsers. Understanding this distinction is essential for web designers, developers, and IT professionals, as it influences how information travels, how websites are delivered, and

 

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Q2. Identify and describe three key Internet services (such as email, file transfer, remote access, or web browsing). How does each service support global communication and connectivity? Additionally, explain one common cybersecurity threat—like phishing, malware, or DDoS attacks—and discuss its possible effects on users and computer systems. 5+5    

Ans 2.

Three Key Internet Services & One Cybersecurity Threat

The Internet supports numerous services that enhance digital communication and global connectivity. Among these, email, file transfer, remote access, and web browsing are foundational services that enable users and organizations to exchange information, collaborate, and access shared resources. Alongside these benefits, cybersecurity threats like phishing, malware, and DDoS attacks pose serious risks to users and systems. Understanding both the

 

 

Q3. What is a Uniform Resource Identifier (URI), and how is it structured in HTML? Why is it important for linking web resources? Explain how a URI is used within anchor (<a>) tags to create hyperlinks, and describe the difference between relative and absolute URIs, including best practices for their use in web development.            5+5

Ans 3.

Uniform Resource Identifier (URI), Structure, Use in HTML & Types

Uniform Resource Identifiers (URIs) are fundamental building blocks of the World Wide Web. A URI provides a standardized way to identify and locate resources, such as webpages, images, videos, or documents. URIs are used extensively in HTML to create hyperlinks that connect web pages and enable smooth navigation. Understanding the structure of URIs, how they function inside anchor tags, and the difference between relative and absolute URIs is essential for modern

 

 

SET-II

 

Q4. How can an image be properly embedded in an HTML page using the <img> tag? Describe the key attributes such as src, alt, width, and height. Why is the alt attribute important for both accessibility and SEO? Also, explain the function of the <address> tag in HTML—what type of information should it include, and how does it support semantic HTML and accessibility?    4+3+3 

Ans 4.

Embedding an Image Using the <img> Tag

Images form an essential part of web design because they enhance visual communication and improve user understanding. In HTML, images are embedded using the <img> tag, which is an empty or self-closing element because it does not require a closing tag. The most important part of embedding an image is specifying the source from which the browser will retrieve it. The src attribute holds the path of the image file, which may be located locally within the website folder

 

Q5. What are the main structural elements of a standard HTML document, including the <html>, <head>, <title>, and <body> tags? Explain the purpose of each component and why they are essential in an HTML page.   5+5     

Ans 5.

Major Structural Elements – <html>, <head>, <title>, <body>

A standard HTML document follows a well-defined structure that helps browsers interpret and render content meaningfully. The <html> tag is the root element that encloses the entire document and informs the browser that the file being read should be interpreted as HTML. Everything inside the webpage, including metadata, scripts, and visible content, falls within this tag. Next is the <head> section, which contains metadata that is not displayed directly on the

 

 

Q6. What are the major advantages of using Cascading Style Sheets (CSS) in web design? How do CSS styles improve the visual appearance and ensure consistency across multiple pages? Additionally, explain how CSS helps separate content structure (HTML) from presentation (design and layout). 5+5

Ans 6.

Advantages of CSS, Visual Improvement & Separation of Content from Design

Major Advantages of Using CSS in Web Design

Cascading Style Sheets (CSS) are essential in modern web design because they enhance the appearance, layout, and responsiveness of webpages. CSS allows developers to apply consistent styling rules to multiple pages, reducing repetition and improving efficiency. One major advantage of CSS is its ability to separate presentation from structure, meaning the visual design does not need to be mixed with HTML tags. This separation leads to cleaner code, easier