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Computer Science · Class 9 · Chapter 6: Web Development

8 min

Key points

World Wide Web (WWW) is a collection of interconnected documents and resources linked by hyperlinks and URLs
HTML (HyperText Markup Language) is the standard markup language used to create web pages
Web browser is a software application used to access and view websites on the Internet
Website is a collection of related web pages containing text, images, videos or other digital assets
Homepage is the main page of a website that serves as the starting point for navigation
Hyperlink is a reference or navigation element in a document to another section or document
URL (Uniform Resource Locator) is the address used to access resources on the Internet
HTML tags are keywords enclosed in angle brackets that define elements and structure of web pages
Web server is a computer system that stores and delivers web pages to users over the Internet

Definitions

World Wide Web (WWW): A collection of interconnected documents and other resources, linked by hyperlinks and URLs, accessible via the Internet using web browsers.
HTML: HyperText Markup Language is the standard markup language used to create and design web pages and web applications.
Web Browser: A software application used to access, retrieve and view websites, web pages and other content on the World Wide Web.
Website: A collection of related web pages, including multimedia content, typically identified with a common domain name and published on web servers.
URL: Uniform Resource Locator is a reference or address used to access resources on the Internet, specifying the location of a resource and the protocol used to access it.

Worked example

Define HTML and explain its role in web development. Also differentiate between HTML tags and HTML elements. (7 marks)

HTML (HyperText Markup Language) is a standard markup language used to create web pages and web applications for displaying content on the World Wide Web. HTML plays the fundamental role in web development by providing the basic structure and content of web pages through a system of markup tags. HTML tags are keywords enclosed in angle brackets that define how content should be displayed, for example <h1> and </h1>. HTML elements consist of an opening tag, content, and closing tag together, for example <h1>Welcome</h1> is a complete heading element. The main difference is that tags are the markup codes while elements include both the tags and the content between them.

Common mistakes

Students often confuse WWW with Internet - WWW is a service that runs on Internet
Writing HTML tags without proper opening and closing brackets
Confusing URL with domain name - URL is complete address including protocol
Not memorizing exact textbook definitions for WWW, HTML and web browser
Mixing up different HTML tags and their purposes in answers

Quick recap

Web development involves creating websites using HTML for structure, CSS for styling, and JavaScript for interactivity. Static websites show fixed content while dynamic websites change content based on user interaction. Web browsers display web pages by interpreting HTML code, and web servers store and deliver web pages to users. Always use exact STBB textbook definitions in exam answers.

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