CBSE Class 12 Computer Science – Understanding Data

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Study Materials

12th

12th - Computer Science

Understanding Data

Chapter Overview

This chapter introduces students to the foundational concepts of data, its types, representations, structures, and characteristics. It explains how data is classified and processed, discusses structured and unstructured data, and highlights the importance of organizing and interpreting data effectively in computer systems and applications.

Important Keywords

  • Data: Raw facts or figures without context.
  • Information: Processed data that conveys meaning.
  • Data Types: Classification of data (numeric, text, Boolean, etc.).
  • Structured Data: Data organized in rows and columns (e.g., databases).
  • Unstructured Data: Data without predefined format (e.g., images, videos).
  • Metadata: Data about data, such as file size or date created.

Detailed Notes

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