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Producing Robust Programs

Component 02: Computational Thinking, Algorithms and Programming

Overview

Robust programs are reliable and handle errors gracefully. This section covers techniques for improving program quality, including defensive design, input validation, and testing strategies.

Key Concepts

  • Defensive Design: Input Validation, Authentication
  • Maintainability: Sub Programs, Naming Conventions, Indentation, Commenting
  • Testing: Purpose, Iterative vs Final/Terminal
  • Types of Errors: Syntax, Logic, Runtime
  • Test Data: Normal, Boundary, Invalid, Erroneous
  • Refining algorithms

Revision Notes