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7. Data Sources - TXT, CSV and XML

Section Overview

This section covers the characteristics of different data source file formats.

Key Knowledge: KK 3.1.6

What You'll Learn

  • TXT Files: Plain text file structure and uses
  • CSV Files: Delimited (comma-separated) file structure and uses
  • XML Files: Extensible markup language structure and uses
  • Comparison: When to use each file format

Pages in This Section

  • a. What You Need To Know - Core concepts and file characteristics
  • b. Test Your Knowledge - Multiple choice questions
  • c. Practical Examples - Code examples working with TXT, CSV, and XML
  • d. Applied Task - Hands-on exercises
  • e. Extras - Additional practice questions

Starter Files

Download student starter files for TXT, CSV, and XML:


Why This Matters

Understanding different data source formats is essential for the SAT. You'll need to choose appropriate file formats and work with external data in your software solution.