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Module I: Introduction to Web Technologies & Architectures

20252m

Which markup language is the foundation for defining other markup languages like HTML and XML

(i) SGML
(ii) CSS
(iii) XSL
(iv) None of this

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Correct Answer: (i) SGML

Explanation:

  • SGML (Standard Generalized Markup Language) is a standard generalized metalanguage (ISO 8879:1986) used to define descriptive markup languages.
  • Both HTML and XML were developed based on SGML. XML is a simplified subset of SGML designed specifically for the World Wide Web.
  • CSS is a style sheet language, and XSL is an XML-based stylesheet and transformation language.

Key Points:

  1. Foundation: SGML defines the rules and syntax for document markup.
  2. Derivatives: HTML (application of SGML) and XML (restricted subset of SGML).

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